diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh
index 67653538e322..67d131447631 100755
--- a/scripts/kconfig/merge_config.sh
+++ b/scripts/kconfig/merge_config.sh
@@ -77,7 +77,7 @@ while true; do
 	esac
 done
 
-if [ "$#" -lt 2 ] ; then
+if [ "$#" -lt 1 ] ; then
 	usage
 	exit
 fi