diff --git a/db_scripts/diff/9249.down b/db_scripts/diff/9249.down
new file mode 100644
index 00000000..aea4518d
--- /dev/null
+++ b/db_scripts/diff/9249.down
@@ -0,0 +1,21 @@
+USE provisioning;
+
+-- reintroduce broken trigger
+
+DROP TRIGGER enum_update;
+
+DELIMITER |
+
+CREATE TRIGGER enum_update AFTER UPDATE ON voip_preferences_enum
+FOR EACH ROW BEGIN
+    UPDATE voip_usr_preferences SET value=NEW.value
+    WHERE attribute_id=NEW.preference_id;
+    UPDATE voip_dom_preferences SET value=NEW.value
+    WHERE attribute_id=NEW.preference_id;
+    UPDATE voip_peer_preferences SET value=NEW.value
+    WHERE attribute_id=NEW.preference_id;
+    UPDATE voip_preferences_enum SET default_val=NEW.value
+    WHERE OLD.id=NEW.id AND default_val IS NOT NULL AND default_val=OLD.value;
+END |
+
+DELIMITER ;
diff --git a/db_scripts/diff/9249.up b/db_scripts/diff/9249.up
new file mode 100644
index 00000000..6b8abebe
--- /dev/null
+++ b/db_scripts/diff/9249.up
@@ -0,0 +1,19 @@
+USE provisioning;
+
+-- fix broken trigger "enum_update"
+
+DROP TRIGGER enum_update;
+
+DELIMITER |
+
+CREATE TRIGGER enum_update AFTER UPDATE ON voip_preferences_enum
+FOR EACH ROW BEGIN
+    UPDATE voip_usr_preferences SET value=NEW.value
+    WHERE attribute_id=NEW.preference_id;
+    UPDATE voip_dom_preferences SET value=NEW.value
+    WHERE attribute_id=NEW.preference_id;
+    UPDATE voip_peer_preferences SET value=NEW.value
+    WHERE attribute_id=NEW.preference_id;
+END |
+
+DELIMITER ;