diff --git a/filetypes.xml b/filetypes.xml
index ee9f91e..cc1135d 100644
--- a/filetypes.xml
+++ b/filetypes.xml
@@ -3,6 +3,7 @@
     <extensionMap>
       <mapping pattern="*.aspx?id=3504" type="PLAIN_TEXT" />
       <mapping pattern="mdyt" type="PLAIN_TEXT" />
+      <mapping pattern="Makefile" type="PLAIN_TEXT" />
       <mapping pattern="Jenkinsfile" type="PLAIN_TEXT" />
       <mapping pattern=".gitkeep" type="PLAIN_TEXT" />
       <mapping ext="csv" type="PLAIN_TEXT" />