diff --git a/scripts/mkimage.sh b/scripts/mkimage.sh
index 0c3dea5da8ee3de94953775554758c5b6238e841..f77b497a5147179a7208360ae55c549e88847c40 100755
--- a/scripts/mkimage.sh
+++ b/scripts/mkimage.sh
@@ -218,6 +218,7 @@ while [ $# -gt 0 ]; do
 	--simulate) _simulate="yes";;
 	--checksum) _checksum="yes";;
 	--yaml) _yaml="yes";;
+	--help) usage; exit 0;;
 	--) break ;;
 	-*) usage; exit 1;;
 	esac