diff --git a/src/consensus/consensus.h b/src/consensus/consensus.h
index fc2d01f9..c5704afd 100644
--- a/src/consensus/consensus.h
+++ b/src/consensus/consensus.h
@@ -7,7 +7,7 @@
 #define BITCOIN_CONSENSUS_CONSENSUS_H
 
 /** The maximum allowed size for a serialized block, in bytes (network rule) */
-static const unsigned int MAX_BLOCK_SIZE = 1000000;
+static const unsigned int MAX_BLOCK_SIZE = 2000000;
 /** The maximum allowed number of signature check operations in a block (network rule) */
 static const unsigned int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE/50;
 /** Coinbase transaction outputs can only be spent after this number of new blocks (network rule) */