--- rpl/src/instructions_o1.c	2017/01/18 15:44:21	1.89
+++ rpl/src/instructions_o1.c	2017/06/28 09:20:35	1.91
@@ -1,6 +1,6 @@
 /*
 ================================================================================
-  RPL/2 (R) version 4.1.26
+  RPL/2 (R) version 4.1.27
   Copyright (C) 1989-2017 Dr. BERTRAND Joël
 
   This file is part of RPL/2.
@@ -2361,6 +2361,7 @@ instruction_open(struct_processus *s_eta
 								{
 									type_arguments = 'S';
 								}
+								else if (type_arguments == 'F')
 								{
 									liberation(s_etat_processus,
 											s_objet_argument);