diff --git a/guides/source/working_with_javascript_in_rails.md b/guides/source/working_with_javascript_in_rails.md
index a8695ec034..aba3c9ed61 100644
--- a/guides/source/working_with_javascript_in_rails.md
+++ b/guides/source/working_with_javascript_in_rails.md
@@ -111,7 +111,9 @@ paintIt = (element, backgroundColor, textColor) ->
     element.style.color = textColor
 
 $ ->
-  $("a[data-background-color]").click ->
+  $("a[data-background-color]").click (e) ->
+    e.preventDefault()
+
     backgroundColor = $(this).data("background-color")
     textColor = $(this).data("text-color")
     paintIt(this, backgroundColor, textColor)