diff --git a/app/dialplans/resources/switch/conf/dialplan/470_valet_park.xml b/app/dialplans/resources/switch/conf/dialplan/470_valet_park.xml
index 86b9fbb526..92a03f5e5e 100644
--- a/app/dialplans/resources/switch/conf/dialplan/470_valet_park.xml
+++ b/app/dialplans/resources/switch/conf/dialplan/470_valet_park.xml
@@ -2,7 +2,7 @@
 	<extension name="valet_park" number="park+*5901-*5999" continue="false" app_uuid="3cc8363d-5ce3-48aa-8ac1-143cf297c4f7" enabled="true">
 		<condition field="destination_number" expression="^(park\+)?(\*59[0-9][0-9])$" break="never"/>
 		<condition field="${sip_h_Referred-By}" expression="sip:(.*)@.*" break="never">
-			<action application="set" data="referred_by_user=$1"/>
+			<action application="set" data="referred_by_user=$1" inline="true"/>
 		</condition>
 		<condition field="destination_number" expression="^(park\+)?(\*59[0-9][0-9])$" break="never">
 			<action application="set" data="park_in_use=false" inline="true"/>