diff --git a/slic/gui/widgets/tools.py b/slic/gui/widgets/tools.py
index 0c1a69b7..b94b8e95 100644
--- a/slic/gui/widgets/tools.py
+++ b/slic/gui/widgets/tools.py
@@ -12,8 +12,9 @@ class STRETCH: pass
 
 class AlarmMixin:
 
-    def alarm(self):
-        wx.GetTopLevelParent(self).Raise()
+    def alarm(self, obj=None):
+        obj = obj or self
+        wx.GetTopLevelParent(obj).Raise()