diff --git a/agc_2-X/trunk/www/agc/functions.php b/agc_2-X/trunk/www/agc/functions.php
index c4947678..9ed3b3ca 100644
--- a/agc_2-X/trunk/www/agc/functions.php
+++ b/agc_2-X/trunk/www/agc/functions.php
@@ -40,6 +40,7 @@
 # 170409-1004 - Added IP List features to user_authorization
 # 170526-2141 - Added additional auth variable filtering, issue #1016
 # 170528-1029 - Fix for rare inbound logging issue #1017, Added variable filtering
+# 171021-1340 - Fix to update default field if duplicate field in custom fields changed
 #
 
 # $mysql_queries = 26
@@ -561,9 +562,12 @@ function custom_list_fields_values($lead_id,$list_id,$uniqueid,$user,$DB,$call_i
 				
 				if ($A_field_type[$o]=='TEXT') 
 					{
+					$change_trigger='';
+					if (preg_match("/\|$A_field_label[$o]\|/i",$vicidial_list_fields))
+						{$change_trigger="onchange=\"update_default_vd_field('$A_field_label[$o]');\"";}
 					if ($A_field_default[$o]=='NULL') {$A_field_default[$o]='';}
 					if (strlen($A_field_value[$o]) < 1) {$A_field_value[$o] = $A_field_default[$o];}
-					$field_HTML .= "<input type=text size=$A_field_size[$o] maxlength=$A_field_max[$o] name=$A_field_label[$o] id=$A_field_label[$o] value=\""._QXZ("$A_field_value[$o]")."\">\n";
+					$field_HTML .= "<input type=text size=$A_field_size[$o] maxlength=$A_field_max[$o] name=$A_field_label[$o] id=$A_field_label[$o] value=\""._QXZ("$A_field_value[$o]")."\" $change_trigger>\n";
 					if ( ($A_field_required[$o] == 'Y') or ( ($A_field_required[$o] == 'INBOUND_ONLY') and (preg_match("/^Y\d\d\d\d\d\d\d/",$call_id)) ) )
 						{$custom_required_fields .= "$A_field_label[$o]|";}
 					}
diff --git a/agc_2-X/trunk/www/agc/vdc_form_display.php b/agc_2-X/trunk/www/agc/vdc_form_display.php
index 2847365b..fd9736d8 100644
--- a/agc_2-X/trunk/www/agc/vdc_form_display.php
+++ b/agc_2-X/trunk/www/agc/vdc_form_display.php
@@ -40,10 +40,11 @@
 # 170317-0755 - Added more missing display variables
 # 170331-2300 - Added more debug logging
 # 170428-1215 - Small fix for admin modify lead display
+# 171021-1339 - Fix to update default field if duplicate field in custom fields changed
 #
 
-$version = '2.14-30';
-$build = '170428-1215';
+$version = '2.14-31';
+$build = '171021-1339';
 $php_script = 'vdc_form_display.php';
 
 require_once("dbconnect_mysqli.php");
@@ -530,6 +531,11 @@ else
 	echo "		document.getElementById(taskspan).innerHTML = \" &nbsp; <a href=\\\"javascript:open_help('\" + taskspan + \"','\" + taskhelp + \"');\\\">help+</a>\";\n";
 	echo "		document.getElementById(taskspan).style.background = \"white\";\n";
 	echo "		}\n";
+	echo "	function update_default_vd_field(taskfield) \n";
+	echo "		{\n";  
+	echo "		var tempvalue = document.getElementById(taskfield).value;\n";
+	echo "		parent.document.getElementById(taskfield).value = tempvalue;\n";
+	echo "		}\n";
 	echo "	</script>\n";
 	echo "	<META HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; charset=utf-8\">\n";
 	echo "</head>\n";