diff --git a/.templates/90-config_yaml.sh b/.templates/90-config_yaml.sh
index 171647ff0..94906d4a6 100755
--- a/.templates/90-config_yaml.sh
+++ b/.templates/90-config_yaml.sh
@@ -8,7 +8,7 @@ set -e
 ##################
 
 # Exit if /config is not mounted
-if [ ! -f /config/configuration.* ] || [ ! -d /config/.storage ]; then
+if [ ! -f /config/configuration.yaml ] || [ ! -d /config/.storage ]; then
     exit 0
 fi