--- rpl/src/instructions_o1.c	2015/09/15 19:18:46	1.84
+++ rpl/src/instructions_o1.c	2017/08/03 17:17:47	1.92
@@ -1,7 +1,7 @@
 /*
 ================================================================================
-  RPL/2 (R) version 4.1.22
-  Copyright (C) 1989-2015 Dr. BERTRAND Joël
+  RPL/2 (R) version 4.1.28
+  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);