1 files changed, 1 insertions, 1 deletions
diff --git a/ev.c b/ev.c
index 4e8deda..993f8a5 100644
--- a/ev.c
+++ b/ev.c
@@ -453,7 +453,7 @@ ev_sleep (ev_tstamp delay)
 
       nanosleep (&ts, 0);
 #elif defined(_WIN32)
-      Sleep (delay * 1e3);
+      Sleep ((unsigned long)(delay * 1e3));
 #else
       struct timeval tv;