diff --git a/src/main.cpp b/src/main.cpp
index f2d6c1071..3bfbc3f2c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3811,7 +3811,7 @@ bool CheckBlock(int32_t height,CBlockIndex *pindex,const CBlock& block, CValidat
         fprintf(stderr,"checkblockheader error PoW.%d\n",fCheckPOW);
         return false;
     }
-    if ( fCheckPOW && !CheckEquihashSolution(&blockhdr, Params()) )
+    if ( fCheckPOW && !CheckEquihashSolution(&block, Params()) )
         return state.DoS(100, error("CheckBlockHeader(): Equihash solution invalid"),REJECT_INVALID, "invalid-solution");
     komodo_block2pubkey33(pubkey33,(CBlock *)&block);
     if ( fCheckPOW && !CheckProofOfWork(height,pubkey33,block.GetHash(), block.nBits, Params().GetConsensus()) )