diff --git a/roles/libravatar/tasks/main.yml b/roles/libravatar/tasks/main.yml
index e9de44f3d1..db3bad22e0 100644
--- a/roles/libravatar/tasks/main.yml
+++ b/roles/libravatar/tasks/main.yml
@@ -37,7 +37,7 @@
 - git:
     repo: https://git.linux-kernel.at/oliver/ivatar.git
     dest: /srv/libravatar
-    version: {{ git_branch }}
+    version: "{{ git_branch }}"
   ignore_errors: yes
 
 - pip: