diff --git a/generate-cmdlist.sh b/generate-cmdlist.sh
index 5114f46680..2736791561 100755
--- a/generate-cmdlist.sh
+++ b/generate-cmdlist.sh
@@ -11,15 +11,14 @@ command_list () {
 
 get_categories () {
 	tr ' ' '\012' |
-	grep -v '^$' |
-	sort |
-	uniq
+	LC_ALL=C sort -u
 }
 
 category_list () {
 	command_list "$1" |
 	cut -c 40- |
-	get_categories
+	get_categories |
+	grep -v '^$'
 }
 
 get_synopsis () {