diff --git a/frontend/index.html b/frontend/index.html
index 8d8d1ea..924da3d 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -151,6 +151,7 @@
   <script src="lib/flot/jquery.flot.js"></script>
   <script src="frontend.js"></script>
   <script src="lib/flot/jquery.canvaswrapper.js"></script>
+  <script src="lib/flot/jquery.colorhelpers.js"></script>
   <script src="lib/flot/jquery.flot.js"></script>
   <script src="lib/flot/jquery.flot.saturated.js"></script>
   <script src="lib/flot/jquery.flot.browser.js"></script>