diff --git a/libethereum/PeerNetwork.cpp b/libethereum/PeerNetwork.cpp
index ba4922ec6..f4160fb60 100644
--- a/libethereum/PeerNetwork.cpp
+++ b/libethereum/PeerNetwork.cpp
@@ -45,9 +45,9 @@ using namespace eth;
 
 static const int c_protocolVersion = 4;
 
-static const eth::uint c_maxHashes = 256;		///< Maximum number of hashes GetChain will ever send.
-static const eth::uint c_maxBlocks = 128;		///< Maximum number of blocks Blocks will ever send. BUG: if this gets too big (e.g. 2048) stuff starts going wrong.
-static const eth::uint c_maxBlocksAsk = 2048;	///< Maximum number of blocks we ask to receive in Blocks (when using GetChain).
+static const eth::uint c_maxHashes = 64;		///< Maximum number of hashes GetChain will ever send.
+static const eth::uint c_maxBlocks = 32;		///< Maximum number of blocks Blocks will ever send. BUG: if this gets too big (e.g. 2048) stuff starts going wrong.
+static const eth::uint c_maxBlocksAsk = 256;	///< Maximum number of blocks we ask to receive in Blocks (when using GetChain).
 
 // Addresses we will skip during network interface discovery
 // Use a vector as the list is small