Index: libcob/common.c
--- libcob/common.c.orig
+++ libcob/common.c
@@ -407,7 +407,7 @@ static struct config_tbl gc_conf[] = {
 	{"LOGNAME", "logname", 			NULL, 	NULL, GRP_HIDE, ENV_STR, SETPOS (cob_user_name)},
 #if !defined (_WIN32) || defined (__MINGW32__) /* cygwin does not define _WIN32 */
 	{"LANG", "lang", 				NULL, 	NULL, GRP_SYSENV, ENV_STR, SETPOS (cob_sys_lang)},
-#if defined (__linux__) || defined (__CYGWIN__) || defined (__MINGW32__)
+#if defined (__linux__) || defined (__CYGWIN__) || defined (__MINGW32__) || defined(__OpenBSD__)
 	{"OSTYPE", "ostype", 			NULL, 	NULL, GRP_SYSENV, ENV_STR, SETPOS (cob_sys_type)},
 #endif
 	{"TERM", "term", 				NULL, 	NULL, GRP_SYSENV, ENV_STR, SETPOS (cob_sys_term)},