diff --git a/src/blink.py b/src/blink.py
index 189fbc9..0cd5bb2 100755
--- a/src/blink.py
+++ b/src/blink.py
@@ -67,8 +67,8 @@ def main():
     bytes_received = 0
     bytes_sent = 0
     for node in nodes: 
-        bytes_received += bytes_received + node.bytes_received 
-        bytes_sent = bytes_sent + node.bytes_sent
+        bytes_received += node.bytes_received 
+        bytes_sent += node.bytes_sent
 
     print("Bytes received with {} provers: {}".format(number_of_nodes, bytes_received))
     print("Bytes sent with {} provers: {}".format(number_of_nodes, bytes_sent))