diff --git a/extensions/ruby/languages/ruby/injections.scm b/extensions/ruby/languages/ruby/injections.scm
index fa6e253691..516f30a812 100644
--- a/extensions/ruby/languages/ruby/injections.scm
+++ b/extensions/ruby/languages/ruby/injections.scm
@@ -1,2 +1,4 @@
 (heredoc_body
-  (heredoc_end) @language) @content
+  (heredoc_content) @content
+  (heredoc_end) @language
+  (#downcase! @language))