diff --git a/client/dbus-proxy.c b/client/dbus-proxy.c
index 0a580406..1283764d 100644
--- a/client/dbus-proxy.c
+++ b/client/dbus-proxy.c
@@ -418,7 +418,7 @@ static void proxy_interface_destroy(void *data)
 
 	l_free(proxy->path);
 
-	if (proxy->type->ops->destroy)
+	if (proxy->type->ops && proxy->type->ops->destroy)
 		proxy->type->ops->destroy(proxy->data);
 
 	proxy->type = NULL;