diff --git a/.gitattributes b/.gitattributes
index d29c15fe712..8700d5d6dcf 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -5,6 +5,7 @@
 *.h rust
 *.rs rust diff=rust
 *.fixed linguist-language=Rust
+*.pp linguist-language=Rust
 *.mir linguist-language=Rust
 src/etc/installer/gfx/* binary
 src/vendor/** -text