diff --git a/conf/dialplan/default.xml b/conf/dialplan/default.xml
index 0fd2e71128..69b3238ee8 100644
--- a/conf/dialplan/default.xml
+++ b/conf/dialplan/default.xml
@@ -40,8 +40,8 @@
 
     <extension name="global" continue="true">
       <condition field="${network_addr}" expression="^$" break="never">
-	<action application="set" data="use_profile=${cond(${is_lan_addr($${local_ip_v4})} == yes ? nat : default)}"/>
-	<anti-action application="set" data="use_profile=${cond(${is_lan_addr(${network_addr})} == yes ? nat : default)}"/>
+	<action application="set" data="use_profile=${cond(${acl($${local_ip_v4} rfc1918)} == true ? nat : default)}"/>
+	<anti-action application="set" data="use_profile=${cond(${acl(${network_addr} rfc1918)} == true ? nat : default)}"/>
       </condition>
       <!-- This will setup some variables if the user isn't authenticated.
 	   numbering_plan is required for the demo to function properly. 
diff --git a/src/mod/applications/mod_commands/mod_commands.c b/src/mod/applications/mod_commands/mod_commands.c
index 872896bc94..297012dd20 100644
--- a/src/mod/applications/mod_commands/mod_commands.c
+++ b/src/mod/applications/mod_commands/mod_commands.c
@@ -505,7 +505,7 @@ ok:
 
 SWITCH_STANDARD_API(lan_addr_function)
 {
-	stream->write_function(stream, "%s", switch_is_lan_addr(cmd) ? "yes" : "no");
+	stream->write_function(stream, "%s", switch_is_lan_addr(cmd) ? "true" : "false");
 	return SWITCH_STATUS_SUCCESS;
 }