diff --git a/blockchain.py b/blockchain.py
index f55b269..43a8dbe 100644
--- a/blockchain.py
+++ b/blockchain.py
@@ -201,7 +201,7 @@ def mine():
     )
 
     # Forge the new Block by adding it to the chain
-    block = blockchain.new_block(proof)
+    block = blockchain.new_block(proof, last_block['previous_hash'])
 
     response = {
         'message': "New Block Forged",