diff --git a/python/libvirt-override-virConnect.py b/python/libvirt-override-virConnect.py
index 1a1cdd05f3..52914dc5ac 100644
--- a/python/libvirt-override-virConnect.py
+++ b/python/libvirt-override-virConnect.py
@@ -146,3 +146,4 @@
         if ret == -1:
             raise libvirtError ('virConnectDomainEventRegisterAny() failed', conn=self)
         self.domainEventCallbackID[ret] = opaque
+        return ret