diff --git a/dev/Common/Html.js b/dev/Common/Html.js
index 92cc16338..bb2ff7f0d 100644
--- a/dev/Common/Html.js
+++ b/dev/Common/Html.js
@@ -100,6 +100,7 @@ const
 
 	cleanCSS = source =>
 		source.trim().replace(/-(ms|webkit)-[^;]+(;|$)/g, '')
+			.replace(/white-space[^;]+(;|$)/g, '')
 			// Drop Microsoft Office style properties
 //			.replace(/mso-[^:;]+:[^;]+/gi, '')
 	,