diff --git a/scripts/download_mmctl_release.sh b/scripts/download_mmctl_release.sh
index 0b854c0b98..d85e579448 100755
--- a/scripts/download_mmctl_release.sh
+++ b/scripts/download_mmctl_release.sh
@@ -19,7 +19,7 @@ BIN_PATH=${2:-bin}
 THIS_BRANCH=$(git rev-parse --abbrev-ref HEAD)
 if [[ "$THIS_BRANCH" =~ 'release-'[0-9] ]];
 then
-  RELEASE_TO_DOWNLOAD=$(echo $THIS_BRANCH | grep -Eo 'release-.*')
+  RELEASE_TO_DOWNLOAD=$(echo $THIS_BRANCH | grep -Eo 'release-([0-9](\.){0,1})\.([0-9](\.){0,1})')
 else
   RELEASE_TO_DOWNLOAD=master
 fi