diff --git a/NativeScript/runtime/Interop.h b/NativeScript/runtime/Interop.h
index bf1863d4..dd6f6621 100644
--- a/NativeScript/runtime/Interop.h
+++ b/NativeScript/runtime/Interop.h
@@ -138,6 +138,7 @@ class Interop {
     static void RegisterAdoptFunction(v8::Local<v8::Context> context, v8::Local<v8::Object> interop);
     static void RegisterSizeOfFunction(v8::Local<v8::Context> context, v8::Local<v8::Object> interop);
     static void SetFFIParams(v8::Local<v8::Context> context, const TypeEncoding* typeEncoding, FFICall* call, const int argsCount, const int initialParameterIndex, V8Args& args);
+    static bool isRefTypeEqual(const TypeEncoding* typeEncoding,const char* clazz);
     static v8::Local<v8::Array> ToArray(v8::Local<v8::Object> object);
     static v8::Local<v8::Value> StructToValue(v8::Local<v8::Context> context, void* result, StructInfo structInfo, std::shared_ptr<v8::Persistent<v8::Value>> parentStruct);
     static const TypeEncoding* CreateEncoding(BinaryTypeEncodingType type);
diff --git a/NativeScript/runtime/Interop.mm b/NativeScript/runtime/Interop.mm
index e661424f..4e13348c 100644
--- a/NativeScript/runtime/Interop.mm
+++ b/NativeScript/runtime/Interop.mm
@@ -125,6 +125,11 @@
     }
 }
 
+bool Interop::isRefTypeEqual(const TypeEncoding* typeEncoding, const char* clazz){
+    std::string n(&typeEncoding->details.interfaceDeclarationReference.name.value());
+    return n.compare(clazz) == 0;
+}
+
 void Interop::WriteValue(Local<Context> context, const TypeEncoding* typeEncoding, void* dest, Local<Value> arg) {
     Isolate* isolate = context->GetIsolate();
 
@@ -132,6 +137,10 @@
         ffi_type* ffiType = FFICall::GetArgumentType(typeEncoding, true);
         size_t size = ffiType->size;
         memset(dest, 0, size);
+    } else if (tns::IsBool(arg) && typeEncoding->type == BinaryTypeEncodingType::InterfaceDeclarationReference && isRefTypeEqual(typeEncoding, "NSNumber")) {
+        bool value = tns::ToBool(arg);
+        NSNumber *num = [NSNumber numberWithBool: value];
+        Interop::SetValue(dest, num);
     } else if (tns::IsBool(arg) && typeEncoding->type == BinaryTypeEncodingType::IdEncoding) {
         bool value = tns::ToBool(arg);
         NSObject* o = @(value);
diff --git a/TestFixtures/Marshalling/TNSPrimitives.h b/TestFixtures/Marshalling/TNSPrimitives.h
index ed3408bb..0a67decd 100644
--- a/TestFixtures/Marshalling/TNSPrimitives.h
+++ b/TestFixtures/Marshalling/TNSPrimitives.h
@@ -43,6 +43,7 @@ unichar functionWithUnichar(unichar x);
 + (NSNull*)methodWithNull:(NSNull*)x;
 + (unichar)methodWithUnichar:(unichar)x;
 + (id)methodWithId:(id)x;
++ (NSNumber*)methodWithNSNumber:(NSNumber*)x;
 
 - (char)methodWithChar:(char)x;
 - (short)methodWithShort:(short)x;
@@ -64,5 +65,5 @@ unichar functionWithUnichar(unichar x);
 - (Protocol*)methodWithProtocol:(Protocol*)x;
 - (NSNull*)methodWithNull:(NSNull*)x;
 - (unichar)methodWithUnichar:(unichar)x;
-
+- (NSNumber*)methodWithNSNumber:(NSNumber*)x;
 @end
diff --git a/TestFixtures/Marshalling/TNSPrimitives.m b/TestFixtures/Marshalling/TNSPrimitives.m
index 82b2e7bf..577662bc 100644
--- a/TestFixtures/Marshalling/TNSPrimitives.m
+++ b/TestFixtures/Marshalling/TNSPrimitives.m
@@ -182,6 +182,11 @@ + (int)methodVariadicSum:(int)count, ... {
     return sum;
 }
 
++(NSNumber*)methodWithNSNumber:(NSNumber*) x {
+    TNSLog([NSString stringWithFormat:@"%@", x]);
+    return x;
+}
+
 - (char)methodWithChar:(char)x {
     TNSLog([NSString stringWithFormat:@"%hhd", x]);
     return x;
@@ -263,4 +268,9 @@ - (unichar)methodWithUnichar:(unichar)x {
     return x;
 }
 
+- (NSNumber*)methodWithNSNumber:(NSNumber*) x {
+    TNSLog([NSString stringWithFormat:@"%@", x]);
+    return x;
+}
+
 @end
diff --git a/TestRunner/app/tests/Marshalling/Primitives/Instance.js b/TestRunner/app/tests/Marshalling/Primitives/Instance.js
index 5257a604..161efb23 100644
--- a/TestRunner/app/tests/Marshalling/Primitives/Instance.js
+++ b/TestRunner/app/tests/Marshalling/Primitives/Instance.js
@@ -224,4 +224,20 @@ describe(module.id, function () {
             TNSPrimitives.alloc().init().methodWithUnichar('iPhone');
         }).toThrowError();
     });
+    
+    it("InstanceMethodWithNSNumber1", function () {
+        var result = TNSPrimitives.alloc().init().methodWithNSNumber(0);
+        expect(result).toBe(0);
+
+        var actual = TNSGetOutput();
+        expect(actual).toBe("0");
+    });
+    
+    it("InstanceMethodWithNSNumber2", function () {
+        var result = TNSPrimitives.alloc().init().methodWithNSNumber(true);
+        expect(result).toBe(true);
+
+        var actual = TNSGetOutput();
+        expect(actual).toBe("1");
+    });
 });
diff --git a/TestRunner/app/tests/Marshalling/Primitives/Static.js b/TestRunner/app/tests/Marshalling/Primitives/Static.js
index 92339170..8028e135 100644
--- a/TestRunner/app/tests/Marshalling/Primitives/Static.js
+++ b/TestRunner/app/tests/Marshalling/Primitives/Static.js
@@ -224,4 +224,21 @@ describe(module.id, function () {
             TNSPrimitives.methodWithUnichar('iPhone');
         }).toThrowError();
     });
+    
+    
+    it("StaticMethodWithNSNumber1", function () {
+        var result = TNSPrimitives.methodWithNSNumber(0);
+        expect(result).toBe(0);
+        
+        var actual = TNSGetOutput();
+        expect(actual).toBe("0");
+    });
+    
+    it("StaticMethodWithNSNumber2", function () {
+        var result = TNSPrimitives.methodWithNSNumber(true);
+        expect(result).toBe(true);
+        
+        var actual = TNSGetOutput();
+        expect(actual).toBe("1");
+    });
 });