diff --git a/.drone.yml b/.drone.yml
index d04bef84..82c7095d 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -14,7 +14,7 @@ pipeline:
     image: plugins/docker
     repo: umputun/remark
     secrets: [ docker_username, docker_password ]
-    tags: ${DRONE_REPO_BRANCH}
+    tags: ${DRONE_REPO_BRANCH/\//-}
 
   deploy:
     image: appleboy/drone-ssh