diff --git a/templates/gitlab-ci-maven.yml b/templates/gitlab-ci-maven.yml
index 9ae117c7d9345d988629dd95d3be6acd58f0b647..2f7b1a16a094bcc337572c8814c8df06ada7e589 100644
--- a/templates/gitlab-ci-maven.yml
+++ b/templates/gitlab-ci-maven.yml
@@ -576,12 +576,12 @@ stages:
 
   # only on a branch commit, with deploy and "SNAPSHOT with slug" enabled
   function maybe_inject_slug_in_version() {
-    if [[ "$CI_COMMIT_BRANCH" ]] && [[ "$MAVEN_DEPLOY_ENABLED" == "true" ]] && [[ "$MAVEN_DEPLOY_SNAPSHOT_WITH_SLUG_ENABLED" == "true" ]]
+    if [[ -z "$CI_COMMIT_TAG" ]] && [[ "$MAVEN_DEPLOY_ENABLED" == "true" ]] && [[ "$MAVEN_DEPLOY_SNAPSHOT_WITH_SLUG_ENABLED" == "true" ]]
     then
       # check if on non-prod branch
       prod_ref_expr=${PROD_REF#/}
       prod_ref_expr=${prod_ref_expr%/}
-      if [[ ! "$CI_COMMIT_BRANCH" =~ $prod_ref_expr ]]
+      if [[ ! "$CI_COMMIT_REF_NAME" =~ $prod_ref_expr ]]
       then
         # shellcheck disable=SC2086
         pom_version=$(mvn $MAVEN_CLI_OPTS $mvn_settings_opt $java_proxy_args help:evaluate -Dexpression=project.version -q -DforceStdout | tail -n 1)