diff --git a/app/views/user_mailer/_gpx_description.html.erb b/app/views/user_mailer/_gpx_description.html.erb
index 429982136..85b4c7cae 100644
--- a/app/views/user_mailer/_gpx_description.html.erb
+++ b/app/views/user_mailer/_gpx_description.html.erb
@@ -2,7 +2,7 @@
 <% trace_name = link_to(trace_name, @trace_url) if @trace_url %>
 <% trace_description = tag.em(@trace_description) %>
 <% if @trace_tags.length > 0 %>
-  <% tags = @trace_tags.map(&:tag).join(" ") %>
+  <% tags = safe_join @trace_tags.map { |trace_tag| tag.em trace_tag.tag }, ", " %>
   <%= t ".description_with_tags_html", :trace_name => trace_name, :trace_description => trace_description, :tags => tags %>
 <% else %>
   <%= t ".description_with_no_tags_html", :trace_name => trace_name, :trace_description => trace_description %>
diff --git a/test/mailers/user_mailer_test.rb b/test/mailers/user_mailer_test.rb
index 6df86c15e..751adcd82 100644
--- a/test/mailers/user_mailer_test.rb
+++ b/test/mailers/user_mailer_test.rb
@@ -15,7 +15,7 @@ class UserMailerTest < ActionMailer::TestCase
     end
     email = UserMailer.gpx_success(trace, 100)
 
-    assert_match(/one two three/, email.html_part.body.to_s)
+    assert_match("<em>one</em>, <em>two</em>, <em>three</em>", email.html_part.body.to_s)
   end
 
   def test_gpx_success_all_traces_link