diff --git a/lib/ServiceContainer/Container.js b/lib/ServiceContainer/Container.js
index c569fb3..7d25b7e 100644
--- a/lib/ServiceContainer/Container.js
+++ b/lib/ServiceContainer/Container.js
@@ -78,8 +78,7 @@ var Container = class Container {
     }
 
     addCompilerPass(compiler) {
-        _assert2.default.strictEqual(_typeof(compiler.process), "function");
-        _assert2.default.strictEqual(compiler.process.constructor.name, "GeneratorFunction");
+        _assert2.default.strictEqual(_typeof(compiler.process), "function", "Compiler pass should contain process function");
 
         this.compilers.add(compiler);
     }
diff --git a/package.json b/package.json
index 9e730af..4bb643d 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "solfegejs-dependency-injection",
   "description": "Dependency injection for SolfegeJS",
-  "version": "2.1.4",
+  "version": "2.1.5",
   "author": "neolao <contact@neolao.com>",
   "repository": "https://github.com/neolao/solfege-bundle-dependency-injection.git",
   "license": "MIT",
diff --git a/src/ServiceContainer/Container.js b/src/ServiceContainer/Container.js
index 23a7d01..0644378 100644
--- a/src/ServiceContainer/Container.js
+++ b/src/ServiceContainer/Container.js
@@ -140,8 +140,7 @@ export default class Container implements ContainerInterface
      */
     addCompilerPass(compiler:CompilerPassInterface):void
     {
-        assert.strictEqual(typeof compiler.process, "function");
-        assert.strictEqual(compiler.process.constructor.name, "GeneratorFunction");
+        assert.strictEqual(typeof compiler.process, "function", "Compiler pass should contain process function");
 
         this.compilers.add(compiler);
     }