diff --git a/libao-async-ffi-racket.rkt b/libao-async-ffi-racket.rkt
index f6549ed..933c3da 100644
--- a/libao-async-ffi-racket.rkt
+++ b/libao-async-ffi-racket.rkt
@@ -160,7 +160,7 @@
   #:mutable
   )
 
-(define ao-buf-ms 500)  ;; Playback buffer of 0.5s
+(define ao-buf-ms 50)  ;; Playback buffer of 0.5s
 
 (define (get h ms-wait)
   (let ((el (if (<= ms-wait 0)