diff --git a/oidc_provider/lib/endpoints/authorize.py b/oidc_provider/lib/endpoints/authorize.py
index c5a4ff39..179337cc 100644
--- a/oidc_provider/lib/endpoints/authorize.py
+++ b/oidc_provider/lib/endpoints/authorize.py
@@ -320,7 +320,7 @@ def end_session_in_rps(self):
 
         queryset = Client.objects.get_queryset()
         if self._client:
-            queryset = queryset.exclude(client=self._client)
+            queryset = queryset.exclude(client_id=self._client.client_id)
 
         for client in queryset.all():
             if client.backchannel_logout_uri: