--- rpl/src/instructions_o1.c	2015/09/18 13:41:16	1.85
+++ rpl/src/instructions_o1.c	2018/05/30 09:27:36	1.93
@@ -1,7 +1,7 @@
 /*
 ================================================================================
-  RPL/2 (R) version 4.1.23
-  Copyright (C) 1989-2015 Dr. BERTRAND Joël
+  RPL/2 (R) version 4.1.29
+  Copyright (C) 1989-2018 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);