diff --git a/app/Http/Controllers/Test/TestController.php b/app/Http/Controllers/Test/TestController.php
index 03859613d..ad4bb000b 100644
--- a/app/Http/Controllers/Test/TestController.php
+++ b/app/Http/Controllers/Test/TestController.php
@@ -151,6 +151,7 @@ class TestController extends Controller
         
             if($ledgers->count() > 0) {
                 var_dump($ledgers);
+                var_dump($invoiceAmount = round(((float)$ledgers->sum('amount') * (float)$config['mining_tax']), 2));
             }
         }
     }
diff --git a/app/Jobs/Commands/MiningTaxes/SendMiningTaxesInvoicesOld.php b/app/Jobs/Commands/MiningTaxes/SendMiningTaxesInvoicesOld.php
index 8286feebe..9516a206d 100644
--- a/app/Jobs/Commands/MiningTaxes/SendMiningTaxesInvoicesOld.php
+++ b/app/Jobs/Commands/MiningTaxes/SendMiningTaxesInvoicesOld.php
@@ -95,7 +95,7 @@ class SendMiningTaxesInvoicesOld implements ShouldQueue
                         'type_id' => $row->type_id,
                         'ore_name' => $row->ore_name,
                         'quantity' => $row->quantity,
-                        'amount' => $row->amount,
+                        'amount' => (float)$row->amount,
                     ]);
                 }
             }
@@ -128,7 +128,7 @@ class SendMiningTaxesInvoicesOld implements ShouldQueue
                                 'type_id' => $row->type_id,
                                 'ore_name' => $row->ore_name,
                                 'quantity' => $row->quantity,
-                                'amount' => $row->amount,
+                                'amount' => (float)$row->amount,
                             ]);
                         }
                     }