diff --git a/.drone.yml b/.drone.yml
index 579cce2..8c0955b 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -26,7 +26,7 @@ steps:
       password:
         from_secret: DOCKERHUB_PASSWORD
       repo: glenux/service-ntfy
-      tags: "latest_${DRONE_BRANCH//\//}"
+      tags: "latest_${DRONE_BRANCH/\//-}"
     when:
       branch:
         - master