diff --git a/htdocs/margin/agentMargins.php b/htdocs/margin/agentMargins.php
index 61cee328b41..26a5813c8be 100644
--- a/htdocs/margin/agentMargins.php
+++ b/htdocs/margin/agentMargins.php
@@ -171,6 +171,11 @@ if ($result)
 	print '<br>';
 	print_barre_liste($langs->trans("MarginDetails"),$page,$_SERVER["PHP_SELF"],"",$sortfield,$sortorder,'',$num,$num,'');
 
+	if ($conf->global->MARGIN_TYPE == "1")
+	    $labelcostprice=$langs->trans('BuyingPrice');
+	else   // value is 'costprice' or 'pmp'
+	    $labelcostprice=$langs->trans('CostPrice');
+	
 	$i = 0;
 	print "<table class=\"noborder\" width=\"100%\">";
 
@@ -181,7 +186,7 @@ if ($result)
 		print_liste_field_titre($langs->trans("SalesRepresentative"),$_SERVER["PHP_SELF"],"u.lastname","","&amp;agentid=".$agentid,'',$sortfield,$sortorder);
 
 	print_liste_field_titre($langs->trans("SellingPrice"),$_SERVER["PHP_SELF"],"selling_price","","&amp;agentid=".$agentid,'align="right"',$sortfield,$sortorder);
-	print_liste_field_titre($langs->trans("BuyingPrice"),$_SERVER["PHP_SELF"],"buying_price","","&amp;agentid=".$agentid,'align="right"',$sortfield,$sortorder);
+	print_liste_field_titre($labelcostprice,$_SERVER["PHP_SELF"],"buying_price","","&amp;agentid=".$agentid,'align="right"',$sortfield,$sortorder);
 	print_liste_field_titre($langs->trans("Margin"),$_SERVER["PHP_SELF"],"marge","","&amp;agentid=".$agentid,'align="right"',$sortfield,$sortorder);
 	if (! empty($conf->global->DISPLAY_MARGIN_RATES))
 		print_liste_field_titre($langs->trans("MarginRate"),$_SERVER["PHP_SELF"],"","","&amp;agentid=".$agentid,'align="right"',$sortfield,$sortorder);
diff --git a/htdocs/margin/checkMargins.php b/htdocs/margin/checkMargins.php
index 93f6e6915f9..b3c663ad886 100644
--- a/htdocs/margin/checkMargins.php
+++ b/htdocs/margin/checkMargins.php
@@ -179,6 +179,11 @@ if ($result) {
 	print '<br>';
 	print_barre_liste($langs->trans("MarginDetails"), $page, $_SERVER["PHP_SELF"], "", $sortfield, $sortorder, '', $num, $nbtotalofrecords, '');
 	
+	if ($conf->global->MARGIN_TYPE == "1")
+	    $labelcostprice=$langs->trans('BuyingPrice');
+	else   // value is 'costprice' or 'pmp'
+	    $labelcostprice=$langs->trans('CostPrice');
+	
 	$moreforfilter='';
 	
     print '<div class="div-table-responsive">';
@@ -189,11 +194,7 @@ if ($result) {
 	print_liste_field_titre($langs->trans("Ref"), $_SERVER["PHP_SELF"], "f.ref", "", $options, '', $sortfield, $sortorder);
 	print_liste_field_titre($langs->trans("Description"), $_SERVER["PHP_SELF"], "", "", $options, 'width=20%', $sortfield, $sortorder);
 	print_liste_field_titre($langs->trans("UnitPriceHT"), $_SERVER["PHP_SELF"], "d.subprice", "", $options, 'align="right"', $sortfield, $sortorder);
-	if ($conf->global->MARGIN_TYPE == "1") {
-		print_liste_field_titre($langs->trans("BuyingPrice"), $_SERVER["PHP_SELF"], "d.buy_price_ht", "", $options, 'align="right"', $sortfield, $sortorder);
-	} else {
-		print_liste_field_titre($langs->trans("CostPrice"), $_SERVER["PHP_SELF"], "d.buy_price_ht", "", $options, 'align="right"', $sortfield, $sortorder);
-	}
+	print_liste_field_titre($labelcostprice, $_SERVER["PHP_SELF"], "d.buy_price_ht", "", $options, 'align="right"', $sortfield, $sortorder);
 	print_liste_field_titre($langs->trans("Qty"), $_SERVER["PHP_SELF"], "d.qty", "", $options, 'align="right"', $sortfield, $sortorder);
 	print_liste_field_titre($langs->trans("AmountTTC"), $_SERVER["PHP_SELF"], "d.total_ht", "", $options, 'align="right"', $sortfield, $sortorder);
 	
diff --git a/htdocs/margin/customerMargins.php b/htdocs/margin/customerMargins.php
index 8b960a150a4..8bdff263ebf 100644
--- a/htdocs/margin/customerMargins.php
+++ b/htdocs/margin/customerMargins.php
@@ -207,6 +207,11 @@ if ($result)
   	print '<br>';
 	print_barre_liste($langs->trans("MarginDetails"),$page,$_SERVER["PHP_SELF"],"",$sortfield,$sortorder,'',$num,$num,'');
 
+	if ($conf->global->MARGIN_TYPE == "1")
+	    $labelcostprice=$langs->trans('BuyingPrice');
+	else   // value is 'costprice' or 'pmp'
+	    $labelcostprice=$langs->trans('CostPrice');
+	
 	$i = 0;
 	print "<table class=\"noborder\" width=\"100%\">";
 
@@ -218,7 +223,7 @@ if ($result)
 	else
   		print_liste_field_titre($langs->trans("Customer"),$_SERVER["PHP_SELF"],"s.nom","","&amp;socid=".$socid,'',$sortfield,$sortorder);
 	print_liste_field_titre($langs->trans("SellingPrice"),$_SERVER["PHP_SELF"],"selling_price","","&amp;socid=".$socid,'align="right"',$sortfield,$sortorder);
-	print_liste_field_titre($langs->trans("BuyingPrice"),$_SERVER["PHP_SELF"],"buying_price","","&amp;socid=".$socid,'align="right"',$sortfield,$sortorder);
+	print_liste_field_titre($labelcostprice,$_SERVER["PHP_SELF"],"buying_price","","&amp;socid=".$socid,'align="right"',$sortfield,$sortorder);
 	print_liste_field_titre($langs->trans("Margin"),$_SERVER["PHP_SELF"],"marge","","&amp;socid=".$socid,'align="right"',$sortfield,$sortorder);
 	if (! empty($conf->global->DISPLAY_MARGIN_RATES))
 		print_liste_field_titre($langs->trans("MarginRate"),$_SERVER["PHP_SELF"],"","","&amp;socid=".$socid,'align="right"',$sortfield,$sortorder);
diff --git a/htdocs/margin/productMargins.php b/htdocs/margin/productMargins.php
index dcf80e9a49c..26d5accf710 100644
--- a/htdocs/margin/productMargins.php
+++ b/htdocs/margin/productMargins.php
@@ -203,6 +203,11 @@ if ($result)
 	print '<br>';
 	print_barre_liste($langs->trans("MarginDetails"),$page,$_SERVER["PHP_SELF"],"&amp;id=".$id,$sortfield,$sortorder,'',$num,$num,'');
 
+	if ($conf->global->MARGIN_TYPE == "1")
+	    $labelcostprice=$langs->trans('BuyingPrice');
+	else   // value is 'costprice' or 'pmp'
+	    $labelcostprice=$langs->trans('CostPrice');
+	    
 	$moreforfilter='';
 	
 	$i = 0;
@@ -215,9 +220,11 @@ if ($result)
   		print_liste_field_titre($langs->trans("DateInvoice"),$_SERVER["PHP_SELF"],"f.datef","","&amp;id=".$id,'align="center"',$sortfield,$sortorder);
   	}
   	else
+  	{
   		print_liste_field_titre($langs->trans("ProductService"),$_SERVER["PHP_SELF"],"p.ref","","&amp;id=".$id,'',$sortfield,$sortorder);
+  	}
 	print_liste_field_titre($langs->trans("SellingPrice"),$_SERVER["PHP_SELF"],"selling_price","","&amp;id=".$id,'align="right"',$sortfield,$sortorder);
-	print_liste_field_titre($langs->trans("BuyingPrice"),$_SERVER["PHP_SELF"],"buying_price","","&amp;id=".$id,'align="right"',$sortfield,$sortorder);
+	print_liste_field_titre($labelcostprice,$_SERVER["PHP_SELF"],"buying_price","","&amp;id=".$id,'align="right"',$sortfield,$sortorder);
 	print_liste_field_titre($langs->trans("Margin"),$_SERVER["PHP_SELF"],"marge","","&amp;id=".$id,'align="right"',$sortfield,$sortorder);
 	if (! empty($conf->global->DISPLAY_MARGIN_RATES))
 		print_liste_field_titre($langs->trans("MarginRate"),$_SERVER["PHP_SELF"],"","","&amp;id=".$id,'align="right"',$sortfield,$sortorder);