diff --git a/app/Helpers/excel_import_export_helper.php b/app/Helpers/excel_import_export_helper.php
index 9c72c973..c7ba2982 100755
--- a/app/Helpers/excel_import_export_helper.php
+++ b/app/Helpers/excel_import_export_helper.php
@@ -666,12 +666,12 @@ if(!function_exists('generate_insurer_based_excel')){
             foreach ($excel_header_array as $header) {
 
                 $fieldName = $header['db_column_name'];
-                $defaultValue = isset($header['default_value']) ? $header['default_value'] : null;
+                $defaultValue = isset($header['default_value']) ? $header['default_value'] : "";
 
                 if ($fieldName === 'index') {
                     $value = $serialNumber;
                 } else {
-                    if(empty($fieldName) && !empty($defaultValue)){
+                    if(empty($fieldName) && $defaultValue != ""){
                         $value = $defaultValue;
                     }else{
                         $value = $row->$fieldName ?? '';