diff --git a/config/settings.yml b/config/settings.yml
index b96031bed..051c0b053 100644
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -293,7 +293,7 @@ openid:
   default: 0
   security_notifications: 1
 gravatar_default:
-  default: ''
+  default: 'identicon'
 start_of_week:
   default: ''
 rest_api_enabled: