diff --git a/htdocs/compta/facture/card.php b/htdocs/compta/facture/card.php
index d08c69e7638..bf03ad2c3d6 100644
--- a/htdocs/compta/facture/card.php
+++ b/htdocs/compta/facture/card.php
@@ -833,9 +833,9 @@ if (empty($reshook))
 						$amount_ht[$vatrate] = price2num($amount_ht[$vatrate] * $ratio, 'MU');
 						$amount_tva[$vatrate] = price2num($amount_tva[$vatrate] * $ratio, 'MU');
 						$amount_ttc[$vatrate] = price2num($amount_ttc[$vatrate] * $ratio, 'MU');
-						$multicurrency_amount_ht[$line->tva_tx] = price2num($multicurrency_amount_ht[$vatrate] * $ratio, 'MU');
-						$multicurrency_amount_tva[$line->tva_tx] = price2num($multicurrency_amount_tva[$vatrate] * $ratio, 'MU');
-						$multicurrency_amount_ttc[$line->tva_tx] = price2num($multicurrency_amount_ttc[$vatrate] * $ratio, 'MU');
+						$multicurrency_amount_ht[$vatrate] = price2num($multicurrency_amount_ht[$vatrate] * $ratio, 'MU');
+						$multicurrency_amount_tva[$vatrate] = price2num($multicurrency_amount_tva[$vatrate] * $ratio, 'MU');
+						$multicurrency_amount_ttc[$vatrate] = price2num($multicurrency_amount_ttc[$vatrate] * $ratio, 'MU');
 					}
 				}
 			}