diff --git a/.gitattributes b/.gitattributes
index 5c42ab9..0765a9a 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,3 @@
 *.vb linguist-language=Visual Basic
 *.bas linguist-language=Visual Basic
+src/windows/*.bas linguist-language=Visual Basic