diff --git a/gobex/gobex.c b/gobex/gobex.c
index 0665749..bc76e57 100644
--- a/gobex/gobex.c
+++ b/gobex/gobex.c
@@ -735,6 +735,9 @@ gboolean g_obex_cancel_req(GObex *obex, guint req_id, gboolean remove_callback)
 			goto immediate_completion;
 		}
 
+		if (remove_callback)
+			obex->pending_req->rsp_func = NULL;
+
 		return TRUE;
 	}