diff --git a/mock_dbus_wrapper.h b/mock_dbus_wrapper.h
index 569e289..444d0d8 100644
--- a/mock_dbus_wrapper.h
+++ b/mock_dbus_wrapper.h
@@ -26,6 +26,10 @@
                                        const char *method,
                                        GError **error,
                                        GHashTable** out1));
+  MOCK_METHOD4(ProxyCall_1_0, gboolean(DBusGProxy *proxy,
+                                       const char *method,
+                                       GError **error,
+                                       gint in1));
   MOCK_METHOD6(ProxyCall_3_0, gboolean(DBusGProxy* proxy,
                                        const char* method,
                                        GError** error,