diff --git a/check_process b/check_process
index 673a686..4f29e1e 100644
--- a/check_process
+++ b/check_process
@@ -14,7 +14,7 @@
 		backup_restore=1
 		multi_instance=1
 		incorrect_path=1
-		port_already_use=0
+		port_already_use=1
 		change_url=0
 ;;; Levels
 	Level 1=auto