diff --git a/Quake/sys_sdl_unix.c b/Quake/sys_sdl_unix.c
index 532f6bf2..958ed8b4 100644
--- a/Quake/sys_sdl_unix.c
+++ b/Quake/sys_sdl_unix.c
@@ -252,7 +252,8 @@ const char *Sys_ConsoleInput (void)
 
 void Sys_Sleep (unsigned long msecs)
 {
-	usleep (msecs * 1000);
+/*	usleep (msecs * 1000);*/
+	SDL_Delay (msecs);
 }
 
 void Sys_SendKeyEvents (void)
diff --git a/Quake/sys_sdl_win.c b/Quake/sys_sdl_win.c
index fe7f8ea3..bd14b41a 100644
--- a/Quake/sys_sdl_win.c
+++ b/Quake/sys_sdl_win.c
@@ -345,7 +345,8 @@ const char *Sys_ConsoleInput (void)
 
 void Sys_Sleep (unsigned long msecs)
 {
-	Sleep (msecs);
+/*	Sleep (msecs);*/
+	SDL_Delay (msecs);
 }
 
 void Sys_SendKeyEvents (void)