diff --git a/.gitattributes b/.gitattributes
index 63c1ac90..bc543944 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,3 @@
 # Apply override to all files in the directory (source: https://github.com/github/linguist/blob/master/docs/overrides.md)
 data/** linguist-vendored
+transformato/toppar/** linguist-vendored