diff --git a/buildtools/npm-publish b/buildtools/npm-publish
index eaeddc81f5ec..aed3ca0093a6 100755
--- a/buildtools/npm-publish
+++ b/buildtools/npm-publish
@@ -36,7 +36,7 @@ if [ "${GITHUB_REPOSITORY}" = "camptocamp/ngeo" ]; then
     if [[ "${GITHUB_REF}" =~ ^refs/tags/.* ]]; then
         GIT_TAG="${GITHUB_REF//refs\/tags\//}"
         echo "The tag ${GIT_TAG} should be published to npm"
-        if [[ "${GIT_TAG}" =~ ^[0-9]+\.[0-9]+\.[0-9]+-[a-z]+\.[0-9]+$ ]]; then
+        if [[ "${GIT_TAG}" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[a-z]+\.[0-9]+)?$ ]]; then
             echo "This is a regular version (not a dev version)"
             TAG="--tag version-$(echo "${GIT_TAG}" | awk -F[.-] '{print $4}')"
         else