diff --git a/smartgears/gcat/defaults/main.yml b/smartgears/gcat/defaults/main.yml
index 52bac342..cfc96785 100644
--- a/smartgears/gcat/defaults/main.yml
+++ b/smartgears/gcat/defaults/main.yml
@@ -1,9 +1,8 @@
 ---
 gcat_install: False
 gcat_version: latest
-gcat_name: gcat
-
-gcat_group_id: org.gcube.data-publishing
+gcat_name: 'gcat'
+gcat_group_id: 'org.gcube.data-publishing'
 gcat_extension: war
 gcat_file: '{{ gcat_name }}-{{ gcat_version }}.{{ gcat_extension }}'