diff --git a/webmails/rainloop/config.ini b/webmails/rainloop/config.ini
index f61ec642..5bd9943d 100644
--- a/webmails/rainloop/config.ini
+++ b/webmails/rainloop/config.ini
@@ -11,6 +11,7 @@ allow_gravatar = Off
 
 [contacts]
 enable = On
+allow_sync = On
 
 [plugins]
-contacts_autosave = On
\ No newline at end of file
+contacts_autosave = On