diff --git a/lib/html2haml/exec.rb b/lib/html2haml/exec.rb
index <HASH>..<HASH> 100644
--- a/lib/html2haml/exec.rb
+++ b/lib/html2haml/exec.rb
@@ -212,7 +212,7 @@ END
           @module_opts[:html_style_attributes] = true
         end
 
-        opts.on("--ruby19-hashes", "Use Ruby 1.9-style attributes when possible.") do
+        opts.on("--ruby19-attributes", "Use Ruby 1.9-style attributes when possible.") do
           @module_opts[:ruby19_style_attributes] = true
         end
Rename "ruby<I>-hashes" to "ruby<I>-attributes" for consistency