diff --git a/admin/inc/class.bocategories.inc.php b/admin/inc/class.bocategories.inc.php
index 03f8cfcaac..8803d3accd 100644
--- a/admin/inc/class.bocategories.inc.php
+++ b/admin/inc/class.bocategories.inc.php
@@ -59,11 +59,11 @@
 			{
 				unset($this->cat_id);
 			}
-			if(isset($sort))
+			if(isset($sort) && !empty($sort))
 			{
 				$this->sort = $sort;
 			}
-			if(isset($order))
+			if(isset($order) && !empty($order))
 			{
 				$this->order = $order;
 			}
diff --git a/admin/inc/class.uicategories.inc.php b/admin/inc/class.uicategories.inc.php
index 35f5001704..a03e9ecf7b 100644
--- a/admin/inc/class.uicategories.inc.php
+++ b/admin/inc/class.uicategories.inc.php
@@ -175,7 +175,7 @@
 
 			$new_parent = $GLOBALS['HTTP_POST_VARS']['new_parent'];
 			$submit     = $GLOBALS['HTTP_POST_VARS']['submit'];
-			$cat_parent = $GLOBALS['HTTP_POST_VARS']['cat_parent'];
+			$cat_parent = $GLOBALS['HTTP_POST_VARS']['cat_parent'] ? $GLOBALS['HTTP_POST_VARS']['cat_parent'] : $GLOBALS['HTTP_GET_VARS']['cat_parent'];
 			$cat_name   = $GLOBALS['HTTP_POST_VARS']['cat_name'];
 			$cat_description = $GLOBALS['HTTP_POST_VARS']['cat_description'];