diff --git a/htdocs/bom/class/bom.class.php b/htdocs/bom/class/bom.class.php
index 0e57bebd922..4dfb47a3887 100644
--- a/htdocs/bom/class/bom.class.php
+++ b/htdocs/bom/class/bom.class.php
@@ -1073,7 +1073,8 @@ class BOM extends CommonObject
 					if ($res>0) {
 						$bom_child->calculateCosts();
 						$line->childBom[] = $bom_child;
-						$this->total_cost += $bom_child->total_cost  * $line->qty;
+						$line->total_cost = price2num( $bom_child->total_cost  * $line->qty, 'MT');
+						$this->total_cost += $line->total_cost;
 					} else {
 						$this->error = $bom_child->error;
 						return -2;
diff --git a/htdocs/bom/tpl/objectline_view.tpl.php b/htdocs/bom/tpl/objectline_view.tpl.php
index 61b394a3b0f..3897b875652 100644
--- a/htdocs/bom/tpl/objectline_view.tpl.php
+++ b/htdocs/bom/tpl/objectline_view.tpl.php
@@ -239,13 +239,13 @@ if ($resql) {
 		// Cost
 		if (!empty($sub_bom->id)) {
 			$sub_bom->calculateCosts();
-			print '<td class="linecolcost nowrap right" id="sub_bom_cost_'.$sub_bom_line->id.'"><span class="amount">'.price($sub_bom->total_cost * $sub_bom_line->qty * $line->qty).'</span></td>';
+			print '<td class="linecolcost nowrap right" id="sub_bom_cost_'.$sub_bom_line->id.'"><span class="amount">'.price2num($sub_bom->total_cost * $sub_bom_line->qty * $line->qty, 'MT').'</span></td>';
 			$total_cost+= $sub_bom->total_cost * $sub_bom_line->qty * $line->qty;
 		} elseif ($sub_bom_product->cost_price > 0) {
-			print '<td class="linecolcost nowrap right" id="sub_bom_cost_'.$sub_bom_line->id.'"><span class="amount">'.price($sub_bom_product->cost_price * $sub_bom_line->qty * $line->qty).'</span></td>';
+			print '<td class="linecolcost nowrap right" id="sub_bom_cost_'.$sub_bom_line->id.'"><span class="amount">'.price2num($sub_bom_product->cost_price * $sub_bom_line->qty * $line->qty, 'MT').'</span></td>';
 			$total_cost+= $sub_bom_product->cost_price * $sub_bom_line->qty * $line->qty;
 		} elseif ($sub_bom_product->pmp > 0) {	// PMP if cost price isn't defined
-			print '<td class="linecolcost nowrap right" id="sub_bom_cost_'.$sub_bom_line->id.'"><span class="amount">'.price($sub_bom_product->pmp * $sub_bom_line->qty * $line->qty).'</span></td>';
+			print '<td class="linecolcost nowrap right" id="sub_bom_cost_'.$sub_bom_line->id.'"><span class="amount">'.price2num($sub_bom_product->pmp * $sub_bom_line->qty * $line->qty, 'MT').'</span></td>';
 			$total_cost.= $sub_bom_product->pmp * $sub_bom_line->qty * $line->qty;
 		} else {	// Minimum purchase price if cost price and PMP aren't defined
 			$sql_supplier_price = 'SELECT MIN(price) AS min_price, quantity AS qty FROM '.MAIN_DB_PREFIX.'product_fournisseur_price';
@@ -255,7 +255,7 @@ if ($resql) {
 				$obj = $object->db->fetch_object($resql_supplier_price);
 				$line_cost = $obj->min_price/$obj->qty * $sub_bom_line->qty * $line->qty;
 
-				print '<td class="linecolcost nowrap right" id="sub_bom_cost_'.$sub_bom_line->id.'"><span class="amount">'.price($line_cost).'</span></td>';
+				print '<td class="linecolcost nowrap right" id="sub_bom_cost_'.$sub_bom_line->id.'"><span class="amount">'.price2num($line_cost, 'MT').'</span></td>';
 				$total_cost+= $line_cost;
 			}
 		}