--- registryd/registry.c
+++ registryd/registry.c
@@ -99,6 +99,7 @@
                                     &variant);
     dbus_message_iter_append_basic (&variant, DBUS_TYPE_STRING, &str);
   dbus_message_iter_close_container (iter, &variant);
+  return TRUE;
 }
 
 static void
@@ -440,6 +441,7 @@
   dbus_int32_t rv = reg->apps->len;
 
   dbus_message_iter_append_basic (iter, DBUS_TYPE_INT32, &rv);
+  return TRUE;
 }
 
 static DBusMessage *
@@ -755,6 +757,7 @@
 {
   emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "add", index, 0,
               name, path);
+  return TRUE;
 }
 
 static gboolean
@@ -765,6 +768,7 @@
 {
   emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "remove", index, 0,
               name, SPI_DBUS_PATH_NULL);
+  return TRUE;
 }
 
 /*---------------------------------------------------------------------------*/