diff --git a/conf/dialplan/default.xml b/conf/dialplan/default.xml
index 5806ceef63..5e7eab18c0 100644
--- a/conf/dialplan/default.xml
+++ b/conf/dialplan/default.xml
@@ -589,7 +589,7 @@
     </extension>
 
     <!-- install zrtp_agent.lua into scripts (ZRTP == 9787) -->
-    <extension name="tone_stream">
+    <extension name="zrtp_enrollement">
       <condition field="destination_number" expression="^9787$">
 	<action application="answer"/>
 	<action application="lua" data="zrtp_agent.lua"/>