diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 616f4e650f..bff4c5dcd2 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -237,7 +237,7 @@ public:
         nDefaultPlatformP2PPort = 26656;
         nDefaultPlatformHTTPPort = 443;
         nPruneAfterHeight = 100000;
-        m_assumed_blockchain_size = 45;
+        m_assumed_blockchain_size = 50;
         m_assumed_chain_state_size = 1;
 
         genesis = CreateGenesisBlock(1390095618, 28917698, 0x1e0ffff0, 1, 50 * COIN);
@@ -430,7 +430,7 @@ public:
         nDefaultPlatformP2PPort = 22000;
         nDefaultPlatformHTTPPort = 22001;
         nPruneAfterHeight = 1000;
-        m_assumed_blockchain_size = 4;
+        m_assumed_blockchain_size = 5;
         m_assumed_chain_state_size = 1;
 
         genesis = CreateGenesisBlock(1390666206UL, 3861367235UL, 0x1e0ffff0, 1, 50 * COIN);