diff --git a/src/client.py b/src/client.py
--- a/src/client.py
+++ b/src/client.py
@@ -65,7 +65,7 @@ class Client:
 		progress=Progress(localTree.leafCount)
 		while len(nodeStack)>0:
 			indices=[]
-			for i in range(256):
+			for i in range(conf.batchSize):
 				indices.append(nodeStack.pop())
 				if len(nodeStack)==0: break
 			self._outcoming.writeMsg({"command":"req", "index":indices, "dataType":"hash"})