diff --git a/.gitattributes b/.gitattributes
index b9304d2..ebcc16d 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,2 @@
-pdefs.nix linguist-vendored
\ No newline at end of file
+pdefs.nix linguist-vendored
+test_data/assets/* linguist-vendored
\ No newline at end of file