diff --git a/.gitignore b/.gitignore
index 5c843fd..07b03e9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 node_modules/
 .nyc_output/
 coverage/
+.idea/
\ No newline at end of file
diff --git a/index.js b/index.js
index af98442..996c915 100644
--- a/index.js
+++ b/index.js
@@ -22,9 +22,9 @@ function stubMethod(service, method, replacement) {
   if (!isStubbed(service)) stubService(service);
   if (!replacement) return sinon.stub(getService(service).prototype, method);
 
-  return sinon.stub(getService(service).prototype, method).callsFake(function(params, callback) {
+  return sinon.stub(getService(service).prototype, method).callsFake(function(arg1, arg2, arg3) {
     var _this = { request: stubRequest(), response: stubResponse() };
-    replacement.call(_this, params, callback);
+    replacement.call(_this, arg1, arg2, arg3);
     return _this.request;
   });
 }