diff --git a/.drone.yml b/.drone.yml
index b71b7be..6c3a1b5 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -2,7 +2,7 @@ publish:
   docker:
     username: chmuul.net
     password: $$REGISTRY_PASSWORD
-    email: aal@chmuul.net
+    email: "aal@chmuul.net"
     file: Dockerfile.ubuntu-16.04
     repo: registry.chmuul.net/ansible-controller
     tag: