diff --git a/db_scripts/diff/10180.up b/db_scripts/diff/10180.up
index 8d6fbe15..677b9b8a 100644
--- a/db_scripts/diff/10180.up
+++ b/db_scripts/diff/10180.up
@@ -1,8 +1,22 @@
 # Remove duplicated rules on the same group. Triggers should do the rest for lcr_rule.
 
 use provisioning;
-ALTER IGNORE TABLE voip_peer_rules ADD UNIQUE KEY `idx1temp` (`group_id`, `callee_prefix`, `callee_pattern`, `caller_pattern`);
-ALTER TABLE voip_peer_rules DROP KEY `idx1temp`;
+#make sure that the repeated have caller_prefix '' instead of null or won't be detected
+UPDATE voip_peer_rules SET caller_pattern='' WHERE caller_pattern IS NULL;
+
+#Can't use ALTER IGNORE in Percona https://bugs.launchpad.net/percona-xtradb/+bug/604439
+#ALTER IGNORE TABLE voip_peer_rules ADD UNIQUE KEY `idx1temp` (`group_id`, `callee_prefix`, `callee_pattern`, `caller_pattern`);
+#ALTER TABLE voip_peer_rules DROP KEY `idx1temp`;
+
+
+#Remove duplicated that could be added via ossbss. Removed keys via triggers will be added later
+CREATE TABLE newtemp LIKE voip_peer_rules;
+ALTER TABLE newtemp ADD UNIQUE KEY `idx1temp` (`group_id`, `callee_prefix`, `callee_pattern`, `caller_pattern`);
+INSERT IGNORE INTO newtemp SELECT * FROM voip_peer_rules;
+DELETE FROM voip_peer_rules;
+INSERT INTO voip_peer_rules SELECT * FROM newtemp;
+DROP table newtemp;
+
 
 # Now we can create the unique key without duplicates
 use kamailio;