diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 00000000..a5dbbf8d
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,4 @@
+*.CC linguist-language=HolyC
+*.HH linguist-language=HolyC
+*.PRJ linguist-language=HolyC
+*.IN linguist-language=HolyC