diff --git a/app/views/repositories/_revision_graph.html.erb b/app/views/repositories/_revision_graph.html.erb
index 34d849924..6dcaa3f2d 100644
--- a/app/views/repositories/_revision_graph.html.erb
+++ b/app/views/repositories/_revision_graph.html.erb
@@ -1,6 +1,6 @@
 <%= javascript_include_tag "raphael.js" %>
 <script type="text/javascript" charset="utf-8">
-  var chunk = {commits:<%= commits.values.to_json %>}
+  var chunk = {commits:<%= commits.values.to_json.html_safe %>}
 </script>
 <%= javascript_include_tag "revision_graph.js" %>