diff --git a/stock/page/stock_balance/stock_balance.js b/stock/page/stock_balance/stock_balance.js
index da6b831..90c7943 100644
--- a/stock/page/stock_balance/stock_balance.js
+++ b/stock/page/stock_balance/stock_balance.js
@@ -130,6 +130,12 @@
 				}
 			}
 		}
+
+		// opening + diff = closing
+		// adding opening, since diff already added to closing		
+		$.each(me.item_by_name, function(key, item) {
+			item.closing += item.opening;
+		});
 	},
 	
 	update_groups: function() {