diff --git a/htdocs/accountancy/customer/list.php b/htdocs/accountancy/customer/list.php
index a730a8a9af6..c258ed81352 100644
--- a/htdocs/accountancy/customer/list.php
+++ b/htdocs/accountancy/customer/list.php
@@ -635,7 +635,7 @@ if ($result) {
 
 		// Vat rate
 		$code_vat_differ='';
-		if ($product_static->tva_tx !== $facture_static_det->tva_tx) {
+		if ($product_static->tva_tx !== $facture_static_det->tva_tx && ! empty($facture_static_det->tva_tx)) {	// Note: having a vat rate of 0 is often the normal case when sells is intra b2b or to export
 			$code_vat_differ = 'font-weight:bold; text-decoration:blink; color:red';
 		}
 		print '<td style="'.$code_vat_differ.'" class="right">';
diff --git a/htdocs/accountancy/supplier/list.php b/htdocs/accountancy/supplier/list.php
index ffdd5b6de57..cc8398bc759 100644
--- a/htdocs/accountancy/supplier/list.php
+++ b/htdocs/accountancy/supplier/list.php
@@ -678,7 +678,7 @@ if ($result) {
 		print '</td>';
 
 		// Vat rate
-		if ($objp->vat_tx_l != $objp->vat_tx_p) {
+		if ($objp->vat_tx_l != $objp->vat_tx_p && ! empty($objp->vat_tx_l)) {	// Note: having a vat rate of 0 is often the normal case when sells is intra b2b or to export
 			$code_vat_differ = 'font-weight:bold; text-decoration:blink; color:red';
 		}
 		print '<td style="'.$code_vat_differ.'" class="right">';