diff --git a/.drone.yml b/.drone.yml
index 487979a..61e9a77 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -19,7 +19,7 @@ steps:
         from_secret: docker_password
       tags:
         - latest
-        - ${DRONE_TAG##"builder-v"}
+        - "${DRONE_TAG##builder-v}"
     when:
       ref:
         include: