1 files changed, 2 insertions, 0 deletions
diff --git a/util.py b/util.py
index 113edd6..2748b5c 100644
--- a/util.py
+++ b/util.py
@@ -90,5 +90,7 @@ def add_to_list(listname, listadmin):
     except Errors.MMHostileAddress:
         success = False
         progress = 'Could not add %s to %s: Illegal characters in email address.'
+    finally:
+        mlist.Unlock()
 
     return (success, progress % (listadmin, listname))