diff --git a/sys/kernel/gen_calls.c b/sys/kernel/gen_calls.c
index 5362f03..8abc2bf 100644
--- a/sys/kernel/gen_calls.c
+++ b/sys/kernel/gen_calls.c
@@ -149,7 +149,7 @@
     int children = _current->children;
 
     while (_current->children == children)
-      sched_yeild();
+      sched_yield();
 
     td->td_retval[0] = _current->last_exit;
   } else {