diff --git a/pkg/connector/store/upgrades/07-telegram-file-fixes.sql b/pkg/connector/store/upgrades/07-telegram-file-fixes.sql
index 8b7b5a68..bd25dcc0 100644
--- a/pkg/connector/store/upgrades/07-telegram-file-fixes.sql
+++ b/pkg/connector/store/upgrades/07-telegram-file-fixes.sql
@@ -1,3 +1,4 @@
 -- v7 (compatible with v2+): Add index and fix values in telegram_file
+DELETE FROM telegram_file tf1 WHERE id LIKE '%-' AND EXISTS(SELECT 1 FROM telegram_file tf2 WHERE tf2.id=REPLACE(tf1.id, '-', ''));
 UPDATE telegram_file SET id=REPLACE(id, '-', '') WHERE id LIKE '%-';
 CREATE INDEX telegram_file_mxc_idx ON telegram_file (mxc);