diff --git a/pkgs/development/tools/misc/ctags/wrapped.nix b/pkgs/development/tools/misc/ctags/wrapped.nix
index f415cb95f5f..4df04f44f56 100644
--- a/pkgs/development/tools/misc/ctags/wrapped.nix
+++ b/pkgs/development/tools/misc/ctags/wrapped.nix
@@ -73,5 +73,6 @@ with pkgs.stdenv.lib;
   rubyLang = [
     "--langmap=RUBY:.rb"
     "--regex-RUBY=/class ([^ ]*)/\\1/c/"
+    "--regex-RUBY=/^[ ]*module[ ]*([^ ]*)/\\1/m/"
   ];
 }