diff --git a/.gitattributes b/.gitattributes
index ba1273bd..bdce4b37 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,3 @@
 * text=auto eol=lf
 upstream/** linguist-vendored
+libs/model3d/src/c/** linguist-vendored