diff --git a/test/vpp_gre_interface.py b/test/vpp_gre_interface.py
index 818f429..fca2c1f 100644
--- a/test/vpp_gre_interface.py
+++ b/test/vpp_gre_interface.py
@@ -31,6 +31,7 @@
         self.set_sw_if_index(r.sw_if_index)
         self.generate_remote_hosts()
         self.test.registry.register(self, self.test.logger)
+        return self
 
     def remove_vpp_config(self):
         self.unconfig()