diff --git a/src/nex_tmpl.go b/src/nex_tmpl.go
index 2891241..267228f 100644
--- a/src/nex_tmpl.go
+++ b/src/nex_tmpl.go
@@ -11,7 +11,7 @@ MATRIX
 END;
 BEGIN SETS;
 {{- range $_, $i := .Charset }}
-	CHARSET {{ $i.Name }} = {{ $i.From }}-{{ $i.To }};
+	CHARSET {{ replace $i.Name ".fas" "" }} = {{ $i.From }}-{{ $i.To }};
 {{- end }}
 END;
 `