diff --git a/roles/grafana/tasks/main.yml b/roles/grafana/tasks/main.yml
index 8c5dc14..5b379ff 100644
--- a/roles/grafana/tasks/main.yml
+++ b/roles/grafana/tasks/main.yml
@@ -1,10 +1,10 @@
 ---
 
 - name: Enable grafana apt-key
-  apt_key: url='https://packages.grafana.com/gpg.key'
+  apt_key: url="https://packages.grafana.com/gpg.key"
 
 - name: Enable grafana repository
-  apt_repository: repo='deb https://packages.grafana.com/oss/deb stable main'
+  apt_repository: repo="deb https://packages.grafana.com/oss/deb stable main"
 
 - name: Install grafana
   apt: name=grafana