diff --git a/plugins/config/.gitignore b/plugins/config/.gitignore
index b1c3ae87c1f..b79352e779e 100644
--- a/plugins/config/.gitignore
+++ b/plugins/config/.gitignore
@@ -3,3 +3,4 @@
 /triggers/*
 /triggers
 /config-*
+/config_sub