diff --git a/src/virt.c b/src/virt.c
index 4ba0d07cd..a9374aa2d 100644
--- a/src/virt.c
+++ b/src/virt.c
@@ -2206,8 +2206,9 @@ static int domain_lifecycle_event_cb(__attribute__((unused)) virConnectPtr con_,
   return 0;
 }
 
-static void virt_eventloop_timeout_cb(int timer ATTRIBUTE_UNUSED,
-                                      void *timer_info) {}
+static void
+virt_eventloop_timeout_cb(__attribute__((unused)) int timer,
+                          __attribute__((unused)) void *timer_info) {}
 
 static int register_event_impl(void) {
   if (virEventRegisterDefaultImpl() < 0) {