diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 44064f8c..d129fa0a 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -3024,7 +3024,7 @@ WebIDL:
   extensions:
   - .webidl
   tm_scope: source.webidl
-  ace_mode: none
+  ace_mode: text
 
 
 XC: