diff --git a/osdep/timer-win2.c b/osdep/timer-win2.c
index eb8bb3d3f4..7f31126790 100644
--- a/osdep/timer-win2.c
+++ b/osdep/timer-win2.c
@@ -15,6 +15,10 @@ unsigned int GetTimerMS(){
 }
 
 int usec_sleep(int usec_delay){
+  // Sleep(0) won't sleep for one clocktick as the unix usleep 
+  // instead it will only make the thread ready
+  // it may take some time until it actually starts to run again
+  if(usec_delay<1000)usec_delay=1000;  
   Sleep( usec_delay/1000);
   return 0;
 }