--- IO-AIO/AIO.xs	2013/09/07 23:18:23	1.227
+++ IO-AIO/AIO.xs	2014/01/24 23:46:16	1.228
@@ -1618,7 +1618,10 @@
 
         req->type = EIO_GROUP;
 
+        PUTBACK;
         req_submit (req);
+        SPAGAIN;
+
         XPUSHs (req_sv (req, aio_grp_stash));
 }