diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index b3ae193cb..30feb82f7 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -217,6 +217,7 @@ void CChainParams::SetCheckpointData(CChainParams::CCheckpointData checkpointDat
 
 int32_t MAX_BLOCK_SIZE(int32_t height)
 {
+    fprintf(stderr,"MAX_BLOCK_SIZE %d vs. %d\n",height,mainParams.consensus.vUpgrades[Consensus::UPGRADE_SAPLING].nActivationHeight);
     if ( height >= mainParams.consensus.vUpgrades[Consensus::UPGRADE_SAPLING].nActivationHeight )
         return(4096 * 1024);
     else return(2000000);