diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index bca601eb..0ac757f6 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -3165,7 +3165,7 @@ XC:
   ace_mode: c_cpp
 
 XML:
-  type: markup
+  type: data
   ace_mode: xml
   aliases:
   - rss