diff --git a/module/project/model.php b/module/project/model.php
index 15cc8b46e4..8ae1fad44a 100644
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -1909,6 +1909,7 @@ class projectModel extends model
         if(!$oldProject->hasProduct)
         {
             $productID = $this->loadModel('product')->getProductIDByProject($projectID);
+            unset($_POST);
             $this->product->close($productID);
         }