1 files changed, 1 insertions, 1 deletions
diff --git a/storage.py b/storage.py
index 4de818c..8afda66 100644
--- a/storage.py
+++ b/storage.py
@@ -46,7 +46,7 @@ class Storage:
 				if (item.amount > MAX_AMOUNT - self.storage[index].amount):
 					return -10
 				self.storage[index].amount += item.amount
-				return 0
+				return index
 
 		index = len(self.storage)
 		self.storage[index] = item