diff --git a/cf/check-symbols.sh b/cf/check-symbols.sh
index f49718456..0aa2e3cc8 100644
--- a/cf/check-symbols.sh
+++ b/cf/check-symbols.sh
@@ -1,6 +1,10 @@
+#!/bin/sh
 # check library exported symbols
 # $Id$
 
+LANG=C
+export LANG
+
 esym=
 symbols=
 
@@ -12,7 +16,8 @@ while test $# != 0 ;do
        esym="${esym} com_err error_message\$ error_table_name\$"
        esym="${esym} init_error_table\$ add_to_error_table\$"
        esym="${esym} reset_com_err_hook\$ set_com_err_hook\$ _et_list\$"
-       esym="${esym} initialize_[A-Za-z0-9]*_error_table" ;;
+       esym="${esym} et_[A-Za-z0-9]*_error_table"
+       esym="${esym} initialize_[A-Za-z0-9]*_error_table et_*_error_table" ;;
     -version)
        esym="${esym} print_version\$" ;;
     -asn1compile)
@@ -28,6 +33,8 @@ for a in "$@" $esym; do
     symbols="\$3 !~ /^_?${a}/ ${symbols:+&&} ${symbols}"
 done
 
+# F is filename
+
 (nm .libs/lib${lib}.a || nm .libs/lib${lib}.so*)  |
 awk "BEGIN { stat = 0 }
 NF == 3 && \$2 ~ /[A-EG-Z]/ && $symbols { printf \"%s should not be exported (type %s)\\n\", \$3, \$2; ++stat } END { exit stat }"