diff --git a/test_utils.h b/test_utils.h
index 43ff339..120f080 100644
--- a/test_utils.h
+++ b/test_utils.h
@@ -216,7 +216,7 @@
     if (this->HasOutputPipe()) {
       this->SetOutputObject(out_obj_);
     }
-    this->processor_->ActionComplete(this, kErrorCodeSuccess);
+    this->processor_->ActionComplete(this, ErrorCode::kSuccess);
   }
   static std::string StaticType() { return "ObjectFeederAction"; }
   std::string Type() const { return StaticType(); }
@@ -250,7 +250,7 @@
     if (this->HasInputObject()) {
       object_ = this->GetInputObject();
     }
-    this->processor_->ActionComplete(this, kErrorCodeSuccess);
+    this->processor_->ActionComplete(this, ErrorCode::kSuccess);
   }
   static std::string StaticType() { return "ObjectCollectorAction"; }
   std::string Type() const { return StaticType(); }