diff --git a/gramps/gui/autocomp.py b/gramps/gui/autocomp.py
index ef748e3cc..bcfdc1ed0 100644
--- a/gramps/gui/autocomp.py
+++ b/gramps/gui/autocomp.py
@@ -276,8 +276,7 @@ class StandardCustomSelector(object):
         instance.
         """
         if isinstance(event_type, STRTYPE):
-            if event_type:
-                return (self.custom_key, event_type)
+            return (self.custom_key, event_type)
         elif isinstance(event_type, tuple):
             if event_type[1]:
                 return (event_type[0], event_type[1])