diff --git a/installer.sh b/installer.sh
index 0d46922..6f87695 100644
--- a/installer.sh
+++ b/installer.sh
@@ -753,6 +753,7 @@ git config --global --add safe.directory "${APP_DIR}" || true
 
 # ===== Version-Datei schreiben =====
 mkdir -p /var/lib/mailwolt
+sudo -u "$APP_USER" -H bash -lc "git -C ${APP_DIR} fetch --tags --depth=1 origin 2>/dev/null || true"
 GIT_TAG="$(sudo -u "$APP_USER" -H bash -lc "git -C ${APP_DIR} describe --tags --abbrev=0 2>/dev/null || echo ''")"
 if [ -n "$GIT_TAG" ]; then
   echo "${GIT_TAG#v}" > /var/lib/mailwolt/version