diff --git a/hayfever/hayfever2.scm b/hayfever/hayfever2.scm
index 95a8f6e..275f776 100644
--- a/hayfever/hayfever2.scm
+++ b/hayfever/hayfever2.scm
@@ -893,7 +893,8 @@
 
 (define (animate)
     (send n update w)
-    (send w update n)) 
+    (send w update n)
+    (sleep 0.01)) 
 
 (every-frame (animate))