diff --git a/eth/block_pool.go b/eth/block_pool.go
index b624d064a..97ae683c1 100644
--- a/eth/block_pool.go
+++ b/eth/block_pool.go
@@ -1098,7 +1098,7 @@ func (self *BlockPool) requestBlocks(attempts int, hashes [][]byte) {
 		poolLogger.Debugf("request %v missing blocks from %v/%v peers: chosen %v", len(hashes), repetitions, peerCount, indexes)
 		for _, peer := range self.peers {
 			if i == indexes[0] {
-				poolLogger.Debugf("request %v missing blocks from peer %s", len(hashes), peer.id)
+				poolLogger.Debugf("request %v missing blocks [%x/%x] from peer %s", len(hashes), hashes[0][:4], hashes[len(hashes)-1][:4], peer.id)
 				peer.requestBlocks(hashes)
 				indexes = indexes[1:]
 				if len(indexes) == 0 {
diff --git a/eth/protocol.go b/eth/protocol.go
index 24a0f0a8e..68c52b7ce 100644
--- a/eth/protocol.go
+++ b/eth/protocol.go
@@ -13,7 +13,7 @@ import (
 )
 
 const (
-	ProtocolVersion    = 51
+	ProtocolVersion    = 52
 	NetworkId          = 0
 	ProtocolLength     = uint64(8)
 	ProtocolMaxMsgSize = 10 * 1024 * 1024