diff --git a/config/licenser/known_exceptions.txt b/config/licenser/known_exceptions.txt
index f6e418d7..907ca9c5 100644
--- a/config/licenser/known_exceptions.txt
+++ b/config/licenser/known_exceptions.txt
@@ -31,3 +31,6 @@ themes/wilma/css/pictos.css
 # Raphael plugin for JQuery.
 themes/wilma/js/jquery_plugins/raphael/pie.js
 themes/wilma/js/jquery_plugins/raphael/raphael.js
+
+# 3rd-party transform from JMeter distribution
+utilities/load-testing/jmeter-results-report.xsl