diff --git a/module/project/control.php b/module/project/control.php
index 582c783f3f..0414baf211 100644
--- a/module/project/control.php
+++ b/module/project/control.php
@@ -1812,7 +1812,7 @@ class project extends control
             $this->project->updateProducts($projectID);
             if(dao::isError()) die(js::error(dao::getError()));
 
-            $this->loadModel('action')->create('project', $projectID, 'Managed', '', join(',', $_POST['products']));
+            $this->loadModel('action')->create('project', $projectID, 'Managed', '', $_POST['products'] ? join(',', $_POST['products']) : '');
             die(js::locate($browseProjectLink));
         }