diff --git a/.github/scripts/create-tag.sh b/.github/scripts/create-tag.sh
index fc7e11d2db..234905e944 100644
--- a/.github/scripts/create-tag.sh
+++ b/.github/scripts/create-tag.sh
@@ -37,9 +37,9 @@ fi
 
 # check the tag format (need manual update when necessary)
 format=BABEL_
-if ! [[ "$new" =~ "$format"[0-9]_[0-9]_[0-9] ]]
+if ! [[ "$new" =~ "$format"[0-9]_[0-9]+_[0-9] ]]
 then
-    echo "Error: Invalid tag prefix, expected: ${format}<digit>_<digit>_<digit>"
+    echo "Error: Invalid tag prefix, expected: ${format}<digit>_<number>_<digit>"
     exit 1
 fi