diff --git a/application/models/Inventory.php b/application/models/Inventory.php
index d1f18920c..c01463b0b 100644
--- a/application/models/Inventory.php
+++ b/application/models/Inventory.php
@@ -18,5 +18,34 @@ class Inventory extends CI_Model
 
 		return $this->db->get();		
 	}
+
+	public function reset_quantity($item_id)
+	{
+		$inventory_sums = $this->Inventory->get_inventory_sum($item_id);
+		foreach($inventory_sums as $inventory_sum)
+		{
+			if ($inventory_sum['sum'] > 0)
+			{
+				return $this->Inventory->insert(array(
+					'trans_inventory' => -1 * $inventory_sum['sum'],
+					'trans_items' => $item_id,
+					'trans_location' => $inventory_sum['location_id'],
+					'trans_comment' => $this->lang->line('items_is_deleted'),
+					'trans_user' => $this->Employee->get_logged_in_employee_info()->person_id)
+				);
+			}
+		}
+		return TRUE;
+	}
+
+	public function get_inventory_sum($item_id)
+	{
+		$this->db->select('SUM(trans_inventory) AS sum, MAX(trans_location) AS location_id');
+		$this->db->from('inventory');
+		$this->db->where('trans_items', $item_id);
+		$this->db->group_by('trans_location');
+
+		return $this->db->get()->result_array();
+	}
 }
 ?>
\ No newline at end of file
diff --git a/application/models/Item.php b/application/models/Item.php
index a1c64299a..6fe22dfcc 100644
--- a/application/models/Item.php
+++ b/application/models/Item.php
@@ -358,6 +358,7 @@ class Item extends CI_Model
 		$this->Item_quantity->reset_quantity($item_id);
 		$this->db->where('item_id', $item_id);
 		$success = $this->db->update('items', array('deleted'=>1));
+		$success &= $this->Inventory->reset_quantity($item_id);
 
 		$this->db->trans_complete();
 
@@ -389,6 +390,11 @@ class Item extends CI_Model
 		$this->db->where_in('item_id', $item_ids);
 		$success = $this->db->update('items', array('deleted'=>1));
 
+		foreach($item_ids as $item_id)
+		{
+			$success &= $this->Inventory->reset_quantity($item_id);
+		}
+
 		$this->db->trans_complete();
 
 		$success &= $this->db->trans_status();