diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 47a2755a..f28aa044 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -645,6 +645,7 @@ Ioke:
 
 J:
   type: programming
+  lexer: Text only
   primary_extension: .ijs
 
 JSON: