diff --git a/app/dialplans/resources/switch/conf/dialplan/018_global-variables.xml b/app/dialplans/resources/switch/conf/dialplan/018_global-variables.xml
index 01e8d8fef2..17326e8e0d 100644
--- a/app/dialplans/resources/switch/conf/dialplan/018_global-variables.xml
+++ b/app/dialplans/resources/switch/conf/dialplan/018_global-variables.xml
@@ -3,5 +3,6 @@
 		<action application="set" data="RFC2822_DATE=${strftime(%a, %d %b %Y %T %z)}"/>
 		<action application="set" data="ringback=$${us-ring}" inline="true" enabled="false"/>
 		<action application="set" data="transfer_ringback=$${us-ring}" inline="true" enabled="false"/>
+		<action application="set" data="record_ext=mp3" inline="true" enabled="true"/>
 	</condition>
 </extension>