diff --git a/.docker/release b/.docker/release
index 23048d9668f315e5ff89b2b00a0d0a512ca2c719..181a8c3d033406da2bc1c638628750666d2f331e 100755
--- a/.docker/release
+++ b/.docker/release
@@ -20,8 +20,8 @@ echo "Authentication required for user ${USER} at docker.io (docker hub)"
 docker login docker.io -u $USER
 
 # tag
-IMAGE=$(ls -d fda-*)
-for DIR in $IMAGE
+IMAGES=$(ls -d fda-*)
+for IMAGE in $IMAGES
 do
   echo "TAG ${DIR} (local) ${IMAGE}:latest (remote) ${USER}/${IMAGE}:${VERSION}"
   docker tag "${IMAGE}:latest" "${USER}/${IMAGE}:${VERSION}"