diff --git a/gestioncof/autocomplete.py b/gestioncof/autocomplete.py
index 7a9c37d2..3532525d 100644
--- a/gestioncof/autocomplete.py
+++ b/gestioncof/autocomplete.py
@@ -77,7 +77,7 @@ def autocomplete(request):
             queries['clippers'] = [
                 Clipper(entry.uid.value, entry.cn.value)
                 for entry in entries
-                if entry.uid.value is not None
+                if entry.uid.value
                 and entry.uid.value not in usernames
             ]
 
diff --git a/kfet/autocomplete.py b/kfet/autocomplete.py
index 0ab2c8aa..09057d4a 100644
--- a/kfet/autocomplete.py
+++ b/kfet/autocomplete.py
@@ -95,7 +95,7 @@ def account_create(request):
             queries['clippers'] = [
                 Clipper(entry.uid.value, entry.cn.value)
                 for entry in entries
-                if entry.uid.value is not None
+                if entry.uid.value
                 and entry.uid.value not in usernames
             ]