diff --git a/libao/libao-async.rkt b/libao/libao-async.rkt
index bbb4aff..de840d7 100644
--- a/libao/libao-async.rkt
+++ b/libao/libao-async.rkt
@@ -207,7 +207,7 @@
         (mutex-unlock (ao-shm-mutex shm))
         (displayln "Posting semaphore twice, one to let play thread continue, one for own use")
         (os-semaphore-post (ao-shm-pause-sem shm))
-        (os-semaphote-post (ao-shm-pause-sem shm))
+        (os-semaphore-post (ao-shm-pause-sem shm))
         )
       )
   )