diff --git a/src/Plugin.php b/src/Plugin.php
index de9971e2..6f951daa 100644
--- a/src/Plugin.php
+++ b/src/Plugin.php
@@ -1147,6 +1147,9 @@ public static function create_refund( Refund $refund ) {
 			$payment->refunds[] = $refund;
 
 			$refunded_amount = $payment->get_refunded_amount();
+			if ( $refunded_amount->is_zero() && $refunded_amount->get_currency() !== $refund->get_amount()->get_currency() ) {
+				$refunded_amount->set_currency( $refund->get_amount()->get_currency() );
+			}
 
 			$refunded_amount = $refunded_amount->add( $refund->get_amount() );
 
diff --git a/views/meta-box-payment-lines.php b/views/meta-box-payment-lines.php
index 86d22afd..123e9f47 100644
--- a/views/meta-box-payment-lines.php
+++ b/views/meta-box-payment-lines.php
@@ -203,12 +203,20 @@ function ( PaymentLine $line ) {
 
 										$line_total = $refund_line->get_total_amount();
 
+										if ( $refunded_amount->is_zero() && $refunded_amount->get_currency() !== $line_total->get_currency() ) {
+											$refunded_amount->set_currency( $line_total->get_currency() );
+										}
+
 										$refunded_amount = $refunded_amount->add( $line_total );
 
 										if ( $line_total instanceof TaxedMoney ) {
 											$tax_amount = $line_total->get_tax_amount();
 
 											if ( null !== $tax_amount ) {
+												if ( $refunded_tax->is_zero() && $refunded_tax->get_currency() !== $tax_amount->get_currency() ) {
+													$refunded_tax->set_currency( $tax_amount->get_currency() );
+												}
+
 												$refunded_tax = $refunded_tax->add( $tax_amount );
 											}
 										}