diff --git a/winbuild/dist/include/config.h b/winbuild/dist/include/config.h
index 9fc5e009..d103ff72 100644
--- a/winbuild/dist/include/config.h
+++ b/winbuild/dist/include/config.h
@@ -203,6 +203,8 @@ inline void* memmem (void* buf, size_t buflen, void* pat, size_t patlen)
 	return 0; 
 }
 
+#define usleep(x) Sleep((x)/1000)
+#define sleep(x) Sleep((x)*1000)
 
 #endif