diff --git a/src/__builtins__.py b/src/__builtins__.py
index 259a9e7..bb2d66a 100644
--- a/src/__builtins__.py
+++ b/src/__builtins__.py
@@ -6,7 +6,7 @@ import builtins
 # Lib imports
 
 # Application imports
-from signal_classes import IPCServerMixin
+from controller import IPCServerMixin