diff --git a/app/Filament/Widgets/InvoiceChart.php b/app/Filament/Widgets/InvoiceChart.php
index e495008..baae19e 100644
--- a/app/Filament/Widgets/InvoiceChart.php
+++ b/app/Filament/Widgets/InvoiceChart.php
@@ -80,7 +80,7 @@ class InvoiceChart extends ChartWidget
              $completedInvoicesCount = InvoiceValidation::select('invoice_number')
                 ->where('plant_id', $selectedPlant)
                 ->whereNull('quantity')
-                ->whereBetween('updated_at', [$startDate, $endDate])
+                ->whereBetween('created_at', [$startDate, $endDate])
                 ->groupBy('invoice_number')
                 ->havingRaw(
                     "COUNT(*) = SUM(CASE WHEN scanned_status = 'Scanned' THEN 1 ELSE 0 END)"
@@ -99,7 +99,7 @@ class InvoiceChart extends ChartWidget
             $completedInvoicesCount = InvoiceValidation::select('invoice_number')
                 ->where('plant_id', $selectedPlant)
                 ->where('quantity', '>', 1)
-                ->whereBetween('updated_at', [$startDate, $endDate])
+                ->whereBetween('created_at', [$startDate, $endDate])
                 ->groupBy('invoice_number')
                 ->havingRaw(
                     "COUNT(*) = SUM(CASE WHEN serial_number IS NOT NULL AND serial_number != '' THEN 1 ELSE 0 END)"