diff --git a/C/grow.c b/C/grow.c
index 0e1847b04..7ef279b7c 100644
--- a/C/grow.c
+++ b/C/grow.c
@@ -751,7 +751,7 @@ static_growglobal(long request, CELL **ptr, CELL *hsplit)
 	(size+H < ASP-4096 &&
 	 hsplit > H0)) {
       /* don't need to expand stacks */
-      insert_in_delays = TRUE;
+      insert_in_delays = FALSE;
       do_grow = FALSE;
     }
   }