diff --git a/conf/dialplan/extensions/tollfreegateway.com.noload b/conf/dialplan/extensions/tollfreegateway.com.noload
index dcc0da6333..b7526bf897 100644
--- a/conf/dialplan/extensions/tollfreegateway.com.noload
+++ b/conf/dialplan/extensions/tollfreegateway.com.noload
@@ -1,7 +1,7 @@
 <include>
   <extension name="tollfreegateway.com">
     <condition field="destination_number" expression="^1?(8(00|55|66|77|88)[2-9]\d{6})$">
-      <action application="bridge" data="{absolute_codec_string=PCMU,PCMA}sofia/${use_profile}/9313371$1@sip.tollfreegateway.com"/>
+      <action application="bridge" data="{absolute_codec_string=PCMU\,PCMA}sofia/${use_profile}/9313371$1@sip.tollfreegateway.com"/>
     </condition>
   </extension>
 </include>