diff --git a/__fixtures__/issues/103/raw/duplicate.json b/__fixtures__/issues/103/raw/duplicate.json
new file mode 100644
index 00000000..22b92543
--- /dev/null
+++ b/__fixtures__/issues/103/raw/duplicate.json
@@ -0,0 +1,3 @@
+{
+    "contract_name": "something-in-raw-folder"
+}
\ No newline at end of file
diff --git a/__fixtures__/issues/103/schema.json b/__fixtures__/issues/103/schema.json
new file mode 100644
index 00000000..25c934ae
--- /dev/null
+++ b/__fixtures__/issues/103/schema.json
@@ -0,0 +1,58 @@
+{
+    "contract_name": "cw1-whitelist",
+    "contract_version": "0.3.0",
+    "idl_version": "1.0.0",
+    "instantiate": {
+        "$schema": "http://json-schema.org/draft-07/schema#",
+        "title": "InstantiateMsg",
+        "type": "object",
+        "required": [
+            "admins",
+            "mutable"
+        ],
+        "properties": {
+            "admins": {
+                "type": "array",
+                "items": {
+                    "type": "string"
+                }
+            },
+            "mutable": {
+                "type": "boolean"
+            }
+        }
+    },
+    "execute": {
+        "$schema": "http://json-schema.org/draft-07/schema#",
+        "title": "ExecuteMsg",
+        "anyOf": [
+            {
+                "$ref": "#/definitions/ExecMsg"
+            }
+        ],
+        "definitions": {
+            "ExecMsg": {
+                "type": "string",
+                "enum": []
+            }
+        }
+    },
+    "query": {
+        "$schema": "http://json-schema.org/draft-07/schema#",
+        "title": "QueryMsg",
+        "anyOf": [
+            {
+                "$ref": "#/definitions/QueryMsg"
+            }
+        ],
+        "definitions": {
+            "QueryMsg": {
+                "type": "string",
+                "enum": []
+            }
+        }
+    },
+    "migrate": null,
+    "sudo": null,
+    "responses": {}
+}
\ No newline at end of file
diff --git a/__output__/issues/103/clean.json b/__output__/issues/103/clean.json
new file mode 100644
index 00000000..a799739a
--- /dev/null
+++ b/__output__/issues/103/clean.json
@@ -0,0 +1,109 @@
+{
+  "schemas": [
+    {
+      "$schema": "http://json-schema.org/draft-07/schema#",
+      "title": "InstantiateMsg",
+      "type": "object",
+      "required": [
+        "admins",
+        "mutable"
+      ],
+      "properties": {
+        "admins": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        },
+        "mutable": {
+          "type": "boolean"
+        }
+      }
+    },
+    {
+      "$schema": "http://json-schema.org/draft-07/schema#",
+      "title": "ExecuteMsg",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/ExecMsg"
+        }
+      ],
+      "definitions": {
+        "ExecMsg": {
+          "type": "string"
+        }
+      }
+    },
+    {
+      "$schema": "http://json-schema.org/draft-07/schema#",
+      "title": "QueryMsg",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/QueryMsg"
+        }
+      ],
+      "definitions": {
+        "QueryMsg": {
+          "type": "string"
+        }
+      }
+    }
+  ],
+  "responses": {},
+  "idlObject": {
+    "contract_name": "cw1-whitelist",
+    "contract_version": "0.3.0",
+    "idl_version": "1.0.0",
+    "instantiate": {
+      "$schema": "http://json-schema.org/draft-07/schema#",
+      "title": "InstantiateMsg",
+      "type": "object",
+      "required": [
+        "admins",
+        "mutable"
+      ],
+      "properties": {
+        "admins": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        },
+        "mutable": {
+          "type": "boolean"
+        }
+      }
+    },
+    "execute": {
+      "$schema": "http://json-schema.org/draft-07/schema#",
+      "title": "ExecuteMsg",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/ExecMsg"
+        }
+      ],
+      "definitions": {
+        "ExecMsg": {
+          "type": "string"
+        }
+      }
+    },
+    "query": {
+      "$schema": "http://json-schema.org/draft-07/schema#",
+      "title": "QueryMsg",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/QueryMsg"
+        }
+      ],
+      "definitions": {
+        "QueryMsg": {
+          "type": "string"
+        }
+      }
+    },
+    "migrate": null,
+    "sudo": null,
+    "responses": {}
+  }
+}
\ No newline at end of file
diff --git a/__output__/issues/103/orig.json b/__output__/issues/103/orig.json
new file mode 100644
index 00000000..b4c7a8f0
--- /dev/null
+++ b/__output__/issues/103/orig.json
@@ -0,0 +1,113 @@
+{
+  "schemas": [
+    {
+      "$schema": "http://json-schema.org/draft-07/schema#",
+      "title": "InstantiateMsg",
+      "type": "object",
+      "required": [
+        "admins",
+        "mutable"
+      ],
+      "properties": {
+        "admins": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        },
+        "mutable": {
+          "type": "boolean"
+        }
+      }
+    },
+    {
+      "$schema": "http://json-schema.org/draft-07/schema#",
+      "title": "ExecuteMsg",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/ExecMsg"
+        }
+      ],
+      "definitions": {
+        "ExecMsg": {
+          "type": "string",
+          "enum": []
+        }
+      }
+    },
+    {
+      "$schema": "http://json-schema.org/draft-07/schema#",
+      "title": "QueryMsg",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/QueryMsg"
+        }
+      ],
+      "definitions": {
+        "QueryMsg": {
+          "type": "string",
+          "enum": []
+        }
+      }
+    }
+  ],
+  "responses": {},
+  "idlObject": {
+    "contract_name": "cw1-whitelist",
+    "contract_version": "0.3.0",
+    "idl_version": "1.0.0",
+    "instantiate": {
+      "$schema": "http://json-schema.org/draft-07/schema#",
+      "title": "InstantiateMsg",
+      "type": "object",
+      "required": [
+        "admins",
+        "mutable"
+      ],
+      "properties": {
+        "admins": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        },
+        "mutable": {
+          "type": "boolean"
+        }
+      }
+    },
+    "execute": {
+      "$schema": "http://json-schema.org/draft-07/schema#",
+      "title": "ExecuteMsg",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/ExecMsg"
+        }
+      ],
+      "definitions": {
+        "ExecMsg": {
+          "type": "string",
+          "enum": []
+        }
+      }
+    },
+    "query": {
+      "$schema": "http://json-schema.org/draft-07/schema#",
+      "title": "QueryMsg",
+      "anyOf": [
+        {
+          "$ref": "#/definitions/QueryMsg"
+        }
+      ],
+      "definitions": {
+        "QueryMsg": {
+          "type": "string",
+          "enum": []
+        }
+      }
+    },
+    "migrate": null,
+    "sudo": null,
+    "responses": {}
+  }
+}
\ No newline at end of file
diff --git a/packages/ts-codegen/__tests__/cleanse.test.ts b/packages/ts-codegen/__tests__/cleanse.test.ts
index c60a838d..6b79b3ab 100644
--- a/packages/ts-codegen/__tests__/cleanse.test.ts
+++ b/packages/ts-codegen/__tests__/cleanse.test.ts
@@ -29,6 +29,17 @@ it('daodao/cw-code-id-registry', async () => {
     mkdirp(out);
     writeFileSync(out + '/orig.json', JSON.stringify(orig, null, 2));
     writeFileSync(out + '/clean.json', JSON.stringify(clean, null, 2));
+})
+
+it('issues/103', async () => {
+    const out = OUTPUT_DIR + '/issues/103';
+    const schemaDir = FIXTURE_DIR + '/issues/103/';
+
+    const clean = await readSchemas({ schemaDir, clean: true });
+    const orig = await readSchemas({ schemaDir, clean: false });
 
+    mkdirp(out);
+    writeFileSync(out + '/orig.json', JSON.stringify(orig, null, 2));
+    writeFileSync(out + '/clean.json', JSON.stringify(clean, null, 2));
 })
 
diff --git a/packages/ts-codegen/src/utils/schemas.ts b/packages/ts-codegen/src/utils/schemas.ts
index 8d4ffcaa..a1206a65 100644
--- a/packages/ts-codegen/src/utils/schemas.ts
+++ b/packages/ts-codegen/src/utils/schemas.ts
@@ -13,7 +13,9 @@ export const readSchemas = async ({
     schemaDir, clean = true
 }: ReadSchemaOpts): Promise<ContractInfo> => {
     const fn = clean ? cleanse : (str) => str;
-    const files = glob(schemaDir + '/**/*.json');
+    const files = glob(schemaDir + '/**/*.json')
+        .filter(file => !file.match(/\/raw\//));
+
     const schemas = files
         .map(file => JSON.parse(readFileSync(file, 'utf-8')));
 
diff --git a/packages/wasm-ast-types/src/client/test/__snapshots__/ts-client.issue-103.test.ts.snap b/packages/wasm-ast-types/src/client/test/__snapshots__/ts-client.issue-103.test.ts.snap
new file mode 100644
index 00000000..ba311655
--- /dev/null
+++ b/packages/wasm-ast-types/src/client/test/__snapshots__/ts-client.issue-103.test.ts.snap
@@ -0,0 +1,79 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`execute execute classes array types 1`] = `
+"export class Client implements Instance {
+  client: SigningCosmWasmClient;
+  sender: string;
+  contractAddress: string;
+
+  constructor(client: SigningCosmWasmClient, sender: string, contractAddress: string) {
+    this.client = client;
+    this.sender = sender;
+    this.contractAddress = contractAddress;
+  }
+
+}"
+`;
+
+exports[`execute execute interfaces no extends 1`] = `
+"export interface SG721Instance {
+  contractAddress: string;
+  sender: string;
+}"
+`;
+
+exports[`execute execute_msg_for__empty 1`] = `"export type ExecuteMsg = ExecuteMsg;"`;
+
+exports[`execute query classes 1`] = `
+"export class QueryClient implements ReadOnlyInstance {
+  client: CosmWasmClient;
+  contractAddress: string;
+
+  constructor(client: CosmWasmClient, contractAddress: string) {
+    this.client = client;
+    this.contractAddress = contractAddress;
+  }
+
+}"
+`;
+
+exports[`execute query classes response 1`] = `"export type QueryMsg = QueryMsg;"`;
+
+exports[`query execute classes array types 1`] = `
+"export class Client implements Instance {
+  client: SigningCosmWasmClient;
+  sender: string;
+  contractAddress: string;
+
+  constructor(client: SigningCosmWasmClient, sender: string, contractAddress: string) {
+    this.client = client;
+    this.sender = sender;
+    this.contractAddress = contractAddress;
+  }
+
+}"
+`;
+
+exports[`query execute interfaces no extends 1`] = `
+"export interface SG721Instance {
+  contractAddress: string;
+  sender: string;
+}"
+`;
+
+exports[`query execute_msg_for__empty 1`] = `"export type QueryMsg = QueryMsg;"`;
+
+exports[`query query classes 1`] = `
+"export class QueryClient implements ReadOnlyInstance {
+  client: CosmWasmClient;
+  contractAddress: string;
+
+  constructor(client: CosmWasmClient, contractAddress: string) {
+    this.client = client;
+    this.contractAddress = contractAddress;
+  }
+
+}"
+`;
+
+exports[`query query classes response 1`] = `"export type QueryMsg = QueryMsg;"`;
diff --git a/packages/wasm-ast-types/src/client/test/ts-client.issue-103.test.ts b/packages/wasm-ast-types/src/client/test/ts-client.issue-103.test.ts
new file mode 100644
index 00000000..4f394115
--- /dev/null
+++ b/packages/wasm-ast-types/src/client/test/ts-client.issue-103.test.ts
@@ -0,0 +1,106 @@
+import contract from '../../../../../__fixtures__/issues/103/schema.json';
+
+import {
+    createQueryClass,
+    createExecuteClass,
+    createExecuteInterface,
+    createTypeInterface
+} from '../client'
+import { expectCode, printCode, makeContext } from '../../../test-utils';
+
+const queryMessage = contract.query
+const executeMessage = contract.execute
+const queryCtx = makeContext(queryMessage);
+const executeCtx = makeContext(executeMessage);
+
+describe('query', () => {
+    it('execute_msg_for__empty', () => {
+        expectCode(createTypeInterface(
+            queryCtx,
+            queryMessage
+        ))
+    })
+
+
+    it('query classes', () => {
+        expectCode(createQueryClass(
+            queryCtx,
+            'QueryClient',
+            'ReadOnlyInstance',
+            queryMessage
+        ))
+    });
+
+    it('query classes response', () => {
+        expectCode(createTypeInterface(
+            queryCtx,
+            contract.query
+        ))
+    });
+
+    it('execute classes array types', () => {
+        expectCode(createExecuteClass(
+            queryCtx,
+            'Client',
+            'Instance',
+            null,
+            queryMessage
+        ))
+    });
+
+    it('execute interfaces no extends', () => {
+        expectCode(createExecuteInterface(
+            queryCtx,
+            'SG721Instance',
+            null,
+            queryMessage
+        ))
+    });
+
+});
+
+describe('execute', () => {
+    it('execute_msg_for__empty', () => {
+        expectCode(createTypeInterface(
+            executeCtx,
+            executeMessage
+        ))
+    })
+
+
+    it('query classes', () => {
+        expectCode(createQueryClass(
+            executeCtx,
+            'QueryClient',
+            'ReadOnlyInstance',
+            executeMessage
+        ))
+    });
+
+    it('query classes response', () => {
+        expectCode(createTypeInterface(
+            executeCtx,
+            contract.query
+        ))
+    });
+
+    it('execute classes array types', () => {
+        expectCode(createExecuteClass(
+            executeCtx,
+            'Client',
+            'Instance',
+            null,
+            executeMessage
+        ))
+    });
+
+    it('execute interfaces no extends', () => {
+        expectCode(createExecuteInterface(
+            executeCtx,
+            'SG721Instance',
+            null,
+            executeMessage
+        ))
+    });
+
+});