diff --git a/src/Bitpay/Client/Client.php b/src/Bitpay/Client/Client.php
index 1be3740c..adae9314 100644
--- a/src/Bitpay/Client/Client.php
+++ b/src/Bitpay/Client/Client.php
@@ -588,7 +588,7 @@ public function getInvoice($invoiceId)
             ->setExpirationTime($data['expirationTime'])
             ->setCurrentTime($data['currentTime'])
             ->setId($data['id'])
-            ->setBtcPaid($data['btcPrice'])
+            ->setBtcPaid($data['btcPaid'])
             ->setRate($data['rate'])
             ->setExceptionStatus($data['exceptionStatus']);