diff --git a/plugins/MergerSite/MergerSitePlugin.py b/plugins/MergerSite/MergerSitePlugin.py
index c1c1bde8..e2196c75 100644
--- a/plugins/MergerSite/MergerSitePlugin.py
+++ b/plugins/MergerSite/MergerSitePlugin.py
@@ -112,8 +112,8 @@ class UiWebsocketPlugin(object):
                 ret[address] = merged_type
         self.response(to, ret)
 
-    def hasSitePermission(self, address):
-        if super(UiWebsocketPlugin, self).hasSitePermission(address):
+    def hasSitePermission(self, address, *args, **kwargs):
+        if super(UiWebsocketPlugin, self).hasSitePermission(address, *args, **kwargs):
             return True
         else:
             if self.site.address in [merger_site.address for merger_site in merged_to_merger.get(address, [])]: