diff --git a/dev/Common/Html.js b/dev/Common/Html.js
index 7eb1993da..c685bedf4 100644
--- a/dev/Common/Html.js
+++ b/dev/Common/Html.js
@@ -19,7 +19,8 @@ const
 	stripTracking = text => text
 		.replace(/tracking\.(printabout\.nl[^?]+)\?.*/gsi, (...m) => m[1])
 		.replace(/^.+awstrack\.me\/.+(https:%2F%2F[^/]+)/gsi, (...m) => decodeURIComponent(m[1]))
-		.replace(/([?&])utm_[a-z]+=[^&?#]*/gsi, '$1')
+		.replace(/([?&])utm_[a-z]+=[^&?#]*/gsi, '$1') // Urchin Tracking Module
+		.replace(/([?&])ec_[a-z]+=[^&?#]*/gsi, '$1')  // Sitecore
 		.replace(/&&+/, '');
 
 export const