diff --git a/bin/srcdist.rawball b/bin/srcdist.rawball
index 4906e23..55b46fa 100755
--- a/bin/srcdist.rawball
+++ b/bin/srcdist.rawball
@@ -76,6 +76,8 @@ rawball_ruledir_error()
 
 rawball_init_vars()
 {
+	export LC_ALL='C'
+
 	if [ -z ${mb_ruledir:-} ]; then
 		rawball_usage
 	fi