diff --git a/src/stats.py b/src/stats.py
--- a/src/stats.py
+++ b/src/stats.py
@@ -20,8 +20,8 @@ def logExchangedNode(k=1):
 	stats.exchangedNodes+=k
 
 
-def logTransferredBlock():
-	stats.transferredBlocks+=1
+def logTransferredBlock(k=1):
+	stats.transferredBlocks+=k
 
 
 def reset():