--- libaitsess/src/sess.c	2011/09/07 23:38:39	1.3.2.5
+++ libaitsess/src/sess.c	2011/09/08 07:02:22	1.3.2.6
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: sess.c,v 1.3.2.5 2011/09/07 23:38:39 misho Exp $
+* $Id: sess.c,v 1.3.2.6 2011/09/08 07:02:22 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -363,7 +363,8 @@ sess_prepareSession(tagSess * __restrict s, u_char use
 			hdr->hdr_argc, useDirect);
 	ADD_SEMAPHORE(s, ret);
 
-	DETACH_MEMORY(s);
+	if (!s->zcopy)
+		DETACH_MEMORY(s);
 	return arr;
 }
 
@@ -384,6 +385,8 @@ sess_doneSession(tagSess * __restrict s, array_t ** __
 
 	if (!s->zcopy)
 		io_arrayFree(*arr);
+	else
+		DETACH_MEMORY(s);
 	io_arrayDestroy(arr);
 }