diff --git a/app/Traits/GenerateMigrationResources.php b/app/Traits/GenerateMigrationResources.php
index 8ff34c808c..b6b61a9f3c 100644
--- a/app/Traits/GenerateMigrationResources.php
+++ b/app/Traits/GenerateMigrationResources.php
@@ -885,8 +885,8 @@ info("get company");
                 'tax_name3' => (string) '',
                 'tax_rate3' => (float) 0,
                 'date' => Carbon::parse($item->created_at)->toDateString(),
-                'custom_value1' => $item->custom_value1,
-                'custom_value2' => $item->custom_value2,
+                'custom_value1' => $item->custom_value1 ?: '',
+                'custom_value2' => $item->custom_value2 ?: '',
                 'custom_value3' => '',
                 'custom_value4' => '',
                 'type_id' => (string)$item->invoice_item_type_id,
@@ -917,8 +917,8 @@ info("get company");
                 'tax_name3' => (string) '',
                 'tax_rate3' => (float) 0,
                 'date' => Carbon::parse($item->created_at)->toDateString(),
-                'custom_value1' => $item->custom_value1,
-                'custom_value2' => $item->custom_value2,
+                'custom_value1' => $item->custom_value1 ?: '',
+                'custom_value2' => $item->custom_value2 ?: '',
                 'custom_value3' => '',
                 'custom_value4' => '',
                 'type_id' => (string)$item->invoice_item_type_id,