diff --git a/playbooks/mpdf.yaml b/playbooks/mpdf.yaml
index c0f962e..69c95dd 100644
--- a/playbooks/mpdf.yaml
+++ b/playbooks/mpdf.yaml
@@ -5,7 +5,7 @@
     count: 5
     path: /var/lib
     service_name: "{{ [ 'mpd' ~ item ] }}"    
-    playlist_directory: {{ "%s/%s/playlist/" % (path, service_name) }}
+    playlist_directory: {{ "%s/%s/playlist/".format(path, service_name) }}
     db_file: tag_cache
     log_file: mpd.log
     pid_file: pid