--- IO-AIO/AIO.xs	2010/05/09 20:42:55	1.165
+++ IO-AIO/AIO.xs	2010/05/09 20:43:28	1.166
@@ -306,13 +306,12 @@
 
 static int req_invoke (eio_req *req)
 {
-  dSP;
-
   if (req->flags & FLAG_SV2_RO_OFF)
     SvREADONLY_off (req->sv2);
 
   if (!EIO_CANCELLED (req) && req->callback)
     {
+      dSP;
       static SV *sv_result_cache; /* caches the result integer SV */
       SV *sv_result;