diff --git a/src/masternode.cpp b/src/masternode.cpp
index 1fca22b6d..ef37cc268 100644
--- a/src/masternode.cpp
+++ b/src/masternode.cpp
@@ -553,15 +553,20 @@ uint256 CMasterNode::CalculateScore(int mod, int64_t nBlockHeight)
     if(chainActive.Tip() == NULL) return 0;
 
     uint256 hash = 0;
-    uint256 aux = vin.prevout.hash;
-    uint256 aux2 = vin.prevout.n;
+    uint256 aux = vin.prevout.hash + vin.prevout.n;
 
     if(!GetBlockHash(hash, nBlockHeight)) return 0;
 
+    LogPrintf("CMasterNode::CalculateScore 1 %d %s\n", nBlockHeight, hash.ToString().c_str());
+
     uint256 hash2 = Hash(BEGIN(hash), END(hash));
-    uint256 hash3 = Hash(BEGIN(hash), END(aux2));
+    uint256 hash3 = Hash(BEGIN(hash), END(aux));
+
+    LogPrintf("CMasterNode::CalculateScore 2 %s %s\n", aux.ToString().c_str(), hash2.ToString().c_str());
+    LogPrintf("CMasterNode::CalculateScore 3 %s %s\n", aux.ToString().c_str(), hash3.ToString().c_str());
 
     uint256 r = (hash3 > hash2 ? hash3 - hash2 : hash2 - hash3);
+    LogPrintf("CMasterNode::CalculateScore 4 %s %s\n", aux.ToString().c_str(), r.ToString().c_str());
 
     return r;
 }