diff --git a/.gitattributes b/.gitattributes
index 9d8bac34b..0d7e334c7 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,5 @@
+*.install linguist-language=PHP
+*.inc linguist-language=PHP
+*.module linguist-language=PHP
+*.profile linguist-language=PHP
 *.yml linguist-detectable