diff --git a/src/komodo_gateway.h b/src/komodo_gateway.h
index 839e96304..dd7e041de 100644
--- a/src/komodo_gateway.h
+++ b/src/komodo_gateway.h
@@ -682,9 +682,11 @@ uint32_t komodo_stake(arith_uint256 bnTarget,int32_t nHeight,uint256 txid,int32_
         minage = 6000;
     if ( blocktime > txtime+minage && (pindex= komodo_chainactive(nHeight>200?nHeight-200:1)) != 0 )
     {
-        vcalc_sha256(0,(uint8_t *)&addrhash,(int32_t)strlen(address));
+        vcalc_sha256(0,(uint8_t *)&addrhash,address,(int32_t)strlen(address));
         pasthash = pindex->GetBlockHash();
-        hash = (pasthash ^ addrhash);
+        memcpy(hashbuf,&pasthash,sizeof(pasthash));
+        memcpy(&hashbuf[sizeof(pasthash)],&addrhash,sizeof(addrhash));
+        vcalc_sha256(0,(uint8_t *)&hash,hashbuf,(int32_t)sizeof(uint256)*2);
         fprintf(stderr,"(%s) vs. (%s) %s %.8f txtime.%u\n",address,destaddr,hash.ToString().c_str(),dstr(value),txtime);
         diff = (blocktime - txtime);
         coinage = (((value * diff) / supply) * diff);