diff --git a/src/ev-emul.h b/src/ev-emul.h
index 3d0c77e9160..3ec8613978d 100644
--- a/src/ev-emul.h
+++ b/src/ev-emul.h
@@ -230,12 +230,12 @@ inline static void __ev_unref(void) {
 }
 
 
-inline static double __ev_now(/* variadic */) {
+inline static double __ev_now(...) {
   return uv_hrtime() / 1e9;
 }
 
 
-inline static void __ev_set_priority(/* variadic */) {
+inline static void __ev_set_priority(...) {
 }