diff --git a/sys/kern/kern_synch.c b/sys/kern/kern_synch.c
index 592eb1ee8ab4..37c538b64b73 100644
--- a/sys/kern/kern_synch.c
+++ b/sys/kern/kern_synch.c
@@ -587,7 +587,7 @@ int
 should_yield(void)
 {
 
-	return ((unsigned int)(ticks - curthread->td_swvoltick) >= hogticks);
+	return ((u_int)ticks - (u_int)curthread->td_swvoltick >= hogticks);
 }
 
 void