diff --git a/addons/fastwq/service/manager.py b/addons/fastwq/service/manager.py
index 9743b93..70c8550 100644
--- a/addons/fastwq/service/manager.py
+++ b/addons/fastwq/service/manager.py
@@ -74,7 +74,7 @@ class ServiceManager(object):
         files = [
             f for f in os.listdir(mypath) \
             if f not in ('__init__.py') and \
-            not f.endswith('.pyc') and \
+            f.endswith('.py') and \
             not os.path.isdir(mypath+os.sep+f)
         ]
         base_class = (
diff --git a/addons21/fastwq/service/manager.py b/addons21/fastwq/service/manager.py
index b6fb396..0ab8a67 100644
--- a/addons21/fastwq/service/manager.py
+++ b/addons21/fastwq/service/manager.py
@@ -64,7 +64,7 @@ class ServiceManager(object):
         files = [
             f for f in os.listdir(mypath) \
             if f not in ('__init__.py') and \
-            not f.endswith('.pyc') and \
+            f.endswith('.py') and \
             not os.path.isdir(mypath+os.sep+f)
         ]
         base_class = (