diff --git a/actionpack/lib/action_view/helpers/url_helper.rb b/actionpack/lib/action_view/helpers/url_helper.rb
index 0b748d700b..4ffc5ea127 100644
--- a/actionpack/lib/action_view/helpers/url_helper.rb
+++ b/actionpack/lib/action_view/helpers/url_helper.rb
@@ -504,7 +504,7 @@ def mail_to(email_address, name = nil, html_options = {})
           "document.write('#{content_tag("a", name || email_address_obfuscated.html_safe, html_options.merge({ "href" => "mailto:"+email_address+extras }))}');".each_byte do |c|
             string << sprintf("%%%x", c)
           end
-          "<script type=\"#{Mime::JS}\">eval(decodeURIComponent('#{string}'))</script>"
+          "<script type=\"#{Mime::JS}\">eval(decodeURIComponent('#{string}'))</script>".html_safe
         elsif encode == "hex"
           email_address_encoded = ''
           email_address_obfuscated.each_byte do |c|
diff --git a/actionpack/test/template/url_helper_test.rb b/actionpack/test/template/url_helper_test.rb
index de63030714..4474949749 100644
--- a/actionpack/test/template/url_helper_test.rb
+++ b/actionpack/test/template/url_helper_test.rb
@@ -356,11 +356,15 @@ def test_mail_to
   end
 
   def test_mail_to_with_javascript
-    assert_dom_equal "<script type=\"text/javascript\">eval(decodeURIComponent('%64%6f%63%75%6d%65%6e%74%2e%77%72%69%74%65%28%27%3c%61%20%68%72%65%66%3d%22%6d%61%69%6c%74%6f%3a%6d%65%40%64%6f%6d%61%69%6e%2e%63%6f%6d%22%3e%4d%79%20%65%6d%61%69%6c%3c%2f%61%3e%27%29%3b'))</script>", mail_to("me@domain.com", "My email", :encode => "javascript")
+    snippet = mail_to("me@domain.com", "My email", :encode => "javascript")
+    assert_dom_equal "<script type=\"text/javascript\">eval(decodeURIComponent('%64%6f%63%75%6d%65%6e%74%2e%77%72%69%74%65%28%27%3c%61%20%68%72%65%66%3d%22%6d%61%69%6c%74%6f%3a%6d%65%40%64%6f%6d%61%69%6e%2e%63%6f%6d%22%3e%4d%79%20%65%6d%61%69%6c%3c%2f%61%3e%27%29%3b'))</script>", snippet
+    assert snippet.html_safe?
   end
 
   def test_mail_to_with_javascript_unicode
-    assert_dom_equal "<script type=\"text/javascript\">eval(decodeURIComponent('%64%6f%63%75%6d%65%6e%74%2e%77%72%69%74%65%28%27%3c%61%20%68%72%65%66%3d%22%6d%61%69%6c%74%6f%3a%75%6e%69%63%6f%64%65%40%65%78%61%6d%70%6c%65%2e%63%6f%6d%22%3e%c3%ba%6e%69%63%6f%64%65%3c%2f%61%3e%27%29%3b'))</script>", mail_to("unicode@example.com", "únicode", :encode => "javascript")
+    snippet = mail_to("unicode@example.com", "únicode", :encode => "javascript")
+    assert_dom_equal "<script type=\"text/javascript\">eval(decodeURIComponent('%64%6f%63%75%6d%65%6e%74%2e%77%72%69%74%65%28%27%3c%61%20%68%72%65%66%3d%22%6d%61%69%6c%74%6f%3a%75%6e%69%63%6f%64%65%40%65%78%61%6d%70%6c%65%2e%63%6f%6d%22%3e%c3%ba%6e%69%63%6f%64%65%3c%2f%61%3e%27%29%3b'))</script>", snippet
+    assert snippet.html_safe
   end
 
   def test_mail_with_options