diff --git a/HM-Minimum/ruleset.xml b/HM-Minimum/ruleset.xml
index 37aaad28..d3ee6e63 100644
--- a/HM-Minimum/ruleset.xml
+++ b/HM-Minimum/ruleset.xml
@@ -29,6 +29,7 @@
 		<properties>
 			<property name="customEscapingFunctions" type="array">
 				<element value="whitelist_html" />
+				<element value="clean_html" />
 			</property>
 			<property name="customAutoEscapedFunctions" type="array">
 				<!-- Allow all the built-in URL functions -->