diff --git a/htdocs/fourn/class/fournisseur.commande.class.php b/htdocs/fourn/class/fournisseur.commande.class.php
index d669ccffd11..defd0fe7ef0 100644
--- a/htdocs/fourn/class/fournisseur.commande.class.php
+++ b/htdocs/fourn/class/fournisseur.commande.class.php
@@ -3173,6 +3173,7 @@ class CommandeFournisseur extends CommonOrder
     		{
     			if (is_array($supplierorderdispatch->lines) && count($supplierorderdispatch->lines) > 0)
     			{
+					require_once DOL_DOCUMENT_ROOT.'/htdocs/product/class/product.class.php';
     				$date_liv = dol_now();
 
     				// Build array with quantity deliverd by product
@@ -3180,7 +3181,11 @@ class CommandeFournisseur extends CommonOrder
     					$qtydelivered[$line->fk_product] += $line->qty;
     				}
     				foreach ($this->lines as $line) {
-    					$qtywished[$line->fk_product] += $line->qty;
+						if ($line->product_type == Product::TYPE_PRODUCT ||
+							($line->product_type == Product::TYPE_SERVICE && !empty($conf->global->STOCK_SUPPORTS_SERVICES))
+						) {
+							$qtywished[$line->fk_product] += $line->qty;
+						}
     				}
     				//Compare array
     				$diff_array = array_diff_assoc($qtydelivered, $qtywished); // Warning: $diff_array is done only on common keys.