diff --git a/lib/middleware/injectLiveStyleScriptIncludeIntoHtml.js b/lib/middleware/injectLiveStyleScriptIncludeIntoHtml.js
index <HASH>..<HASH> 100644
--- a/lib/middleware/injectLiveStyleScriptIncludeIntoHtml.js
+++ b/lib/middleware/injectLiveStyleScriptIncludeIntoHtml.js
@@ -28,7 +28,7 @@ module.exports = function (config) {
             var ifNoneMatch = req.headers['if-none-match'];
             if (ifNoneMatch) {
                 var validIfNoneMatchTokens = ifNoneMatch.split(" ").filter(function (etag) {
-                    return /-(?:livestyle|processimage)\"$/.test(etag);
+                    return /-(?:livestyle|processimage|compiless|compile-sass)\"$/.test(etag);
                 });
                 if (validIfNoneMatchTokens.length > 0) {
                     req.headers['if-none-match'] = validIfNoneMatchTokens.join(" ");
Don't kill etags issued by express-compiless or express-compile-sass