--- rpl/src/instructions_d5.c	2010/08/13 21:00:37	1.35
+++ rpl/src/instructions_d5.c	2010/08/15 14:46:25	1.36
@@ -2834,7 +2834,7 @@ instruction_detach(struct_processus *s_e
 
 		liberation(s_etat_processus, s_objet);
 
-#		if !defined(Cygwin)
+#		if !defined(Cygwin) && !defined(OpenBSD)
 		(*s_etat_processus).pile_signal.ss_flags = SS_DISABLE;
 		sigaltstack(&((*s_etat_processus).pile_signal), NULL);
 		free((*s_etat_processus).pile_signal.ss_sp);