diff --git a/.gitattributes b/.gitattributes
index 9b2b33d..7cb3b9c 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,3 @@
-*.dtsi linguist-language=C++
-*.keymap linguist-language=C++
+# Highlight keymap files as C++, which is better than nothing.
+*.dtsi text linguist-language=C++
+*.keymap text linguist-language=C++