diff --git a/src/main.cpp b/src/main.cpp
index b5302a9bf..dac145148 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -936,7 +936,11 @@ int CMerkleTx::GetBlocksToMaturity() const
 {
     if (!IsCoinBase())
         return 0;
-    return max(0, (COINBASE_MATURITY+1) - GetDepthInMainChain());
+        
+    if(GetDepthInMainChain() >= COINBASE_MATURITY_SWITCH)
+        return max(0, (COINBASE_MATURITY_NEW+20) - GetDepthInMainChain());
+    else
+        return max(0, (COINBASE_MATURITY+20) - GetDepthInMainChain());
 }