diff --git a/app/Observers/Transaction.php b/app/Observers/Transaction.php
index cec591c9798..4a823a490fd 100644
--- a/app/Observers/Transaction.php
+++ b/app/Observers/Transaction.php
@@ -33,6 +33,10 @@ protected function updateInvoice($transaction)
     {
         $invoice = $transaction->invoice;
 
+        if (empty($invoice)) {
+            return;
+        }
+
         $invoice->transactions_count = $invoice->transactions->count();
         event(new TransactionsCounted($invoice));
 
@@ -49,6 +53,10 @@ protected function updateBill($transaction)
     {
         $bill = $transaction->bill;
 
+        if (empty($bill)) {
+            return;
+        }
+
         $bill->transactions_count = $bill->transactions->count();
         event(new TransactionsCounted($bill));