diff --git a/src/registries/npm-registry.js b/src/registries/npm-registry.js
index 9f3dad1649..9850d28e96 100644
--- a/src/registries/npm-registry.js
+++ b/src/registries/npm-registry.js
@@ -92,7 +92,7 @@ export default class NpmRegistry extends Registry {
   async getPossibleConfigLocations(filename: string): Promise<Array<[boolean, string, string]>> {
     const possibles = [
       [false, path.join(this.cwd, filename)],
-      [true, path.join(userHome, filename)],
+      [true, this.config.userconfig || path.join(userHome, filename)],
       [false, path.join(getGlobalPrefix(), filename)],
     ];