diff --git a/check_process b/check_process
index 38ef76f..b1bba6f 100644
--- a/check_process
+++ b/check_process
@@ -17,7 +17,7 @@
 		# 1.1.3~ynh1
 		upgrade=1	from_commit=87d34001dd0b77aed4fa7be2911bc04f58b069ee
 		backup_restore=1
-		multi_instance=0
+		multi_instance=1
 		port_already_use=0
 		change_url=1
 ;;; Options