diff --git a/htdocs/core/lib/price.lib.php b/htdocs/core/lib/price.lib.php
index 4e3ce29f69e..98311d093cd 100644
--- a/htdocs/core/lib/price.lib.php
+++ b/htdocs/core/lib/price.lib.php
@@ -129,7 +129,7 @@ function calcul_price_total($qty, $pu, $remise_percent_ligne, $txtva, $uselocalt
 	$localtax1_type = 0;
 	$localtax2_type = 0;
 
-	if (is_array($localtaxes_array)) {
+	if (is_array($localtaxes_array) && count($localtaxes_array)) {
 		$localtax1_type = $localtaxes_array[0];
 		$localtax1_rate = $localtaxes_array[1];
 		$localtax2_type = $localtaxes_array[2];