diff --git a/module/project/control.php b/module/project/control.php
index 1fcf6c5817..7b6bbce422 100644
--- a/module/project/control.php
+++ b/module/project/control.php
@@ -1463,7 +1463,7 @@ class project extends control
             /* If no product is selected, prompt error. */
             $postProducts     = $this->post->products;
             $postOtherProduct = $this->post->otherProducts;
-            if(!isset($postProducts) && !isset($postOtherProduct))
+            if(empty($postProducts) && empty($postOtherProduct))
             {
                 return $this->send(array('result' => 'fail', 'message' => $this->lang->project->errorNoProducts));
             }
diff --git a/module/project/ui/manageproducts.html.php b/module/project/ui/manageproducts.html.php
index c435d1ff3b..6e3d9b497f 100644
--- a/module/project/ui/manageproducts.html.php
+++ b/module/project/ui/manageproducts.html.php
@@ -191,6 +191,7 @@ form
         h::hr()
     ),
 
+    formHidden('post', 'post'),
     set::actions(array('submit'))
 );