diff --git a/slic/gui/widgets/helper.py b/slic/gui/widgets/exc2warn.py
similarity index 100%
rename from slic/gui/widgets/helper.py
rename to slic/gui/widgets/exc2warn.py
diff --git a/slic/gui/widgets/twobuttons.py b/slic/gui/widgets/twobuttons.py
index 7c84ea920..b0881a3fd 100644
--- a/slic/gui/widgets/twobuttons.py
+++ b/slic/gui/widgets/twobuttons.py
@@ -1,6 +1,6 @@
 import wx
 
-from .helper import exception_to_warning
+from .exc2warn import exception_to_warning
 from .tools import post_event