diff --git a/htdocs/product/dynamic_price/class/price_parser.class.php b/htdocs/product/dynamic_price/class/price_parser.class.php
index 3249671d173..1dd98c6610e 100644
--- a/htdocs/product/dynamic_price/class/price_parser.class.php
+++ b/htdocs/product/dynamic_price/class/price_parser.class.php
@@ -259,9 +259,14 @@ class PriceParser
 			return -1;
 		}
 
-		//Get the supplier min
+		//Get the supplier min price
 		$productFournisseur = new ProductFournisseur($this->db);
-		$supplier_min_price = $productFournisseur->find_min_price_product_fournisseur($product->id, 0, 0);
+		$res = $productFournisseur->find_min_price_product_fournisseur($product->id, 0, 0);
+		if ($res<1) {
+			$this->error_parser = array(25, null);
+			return -1;
+		}
+		$supplier_min_price = $productFournisseur->fourn_unitprice;
 
 		//Accessible values by expressions
 		$extra_values = array_merge($extra_values, array(