diff --git a/src/pow.cpp b/src/pow.cpp
index 8fb2cc189..3d6762304 100644
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -230,9 +230,11 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
         bnPrev.SetCompact(pindexFirst->nBits);
         for (i=0; pindexFirst != 0 && i<(int32_t)(sizeof(ct)/sizeof(*ct)); i++)
         {
-            ct[i].SetCompact(pindexFirst->nBits);
             if ( (pindexFirst->nBits&3) != 0 )
+            {
+                ct[i] = UintToArith256(pindexFirst->GetBlockHash());
                 ct[i] /= arith_uint256((pindexFirst->nBits&3) + 1);
+            } else ct[i].SetCompact(pindexFirst->nBits);
             ts[i] = pindexFirst->nTime;
             pindexFirst = pindexFirst->pprev;
         }
@@ -256,11 +258,7 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
                 }
             }
             if ( pindexFirst->GetHeight() >= (int32_t)(sizeof(ct)/sizeof(*ct)) && (pindexFirst->nBits&3) != 0 )
-            {
-                bnTmp /= arith_uint256((pindexFirst->nBits&3) + 1); // check against ct[i]
-                if ( ct[i] != bnTmp )
-                    fprintf(stderr,"ht.%d i.%d ct[] != bnTmp boost X%d\n",height,i,(int32_t)(pindexFirst->nBits&3) + 1);
-            }
+                bnTmp = ct[i];
         }
         bnTot += bnTmp;
         pindexFirst = pindexFirst->pprev;
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index 0dd1fba36..d0917fafd 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -407,28 +407,32 @@ CBlockIndex *komodo_chainactive(int32_t height);
 
 UniValue genminingCSV(const UniValue& params, bool fHelp)
 {
-    int32_t i,z,height; FILE *fp; char str[64],fname[256]; arith_uint256 bnTarget; CBlockIndex *pindex; bool fNegative,fOverflow; UniValue result(UniValue::VOBJ);
+    int32_t i,z,height; FILE *fp; char str[65],str2[65],fname[256]; uint256 hash; arith_uint256 bnTarget; CBlockIndex *pindex; bool fNegative,fOverflow; UniValue result(UniValue::VOBJ);
     if (fHelp || params.size() != 0 )
         throw runtime_error("genminingCSV\n");
     LOCK(cs_main);
     sprintf(fname,"%s_mining.csv",ASSETCHAINS_SYMBOL[0] == 0 ? "KMD" : ASSETCHAINS_SYMBOL);
     if ( (fp= fopen(fname,"wb")) != 0 )
     {
-        fprintf(fp,"height,nTime,nBits,bnTarget,diff,netdiff\n");
+        fprintf(fp,"height,nTime,nBits,bnTarget,blockhash,diff,netdiff\n");
         height = komodo_nextheight();
         for (i=0; i<height; i++)
         {
             if ( (pindex= komodo_chainactive(i)) != 0 )
             {
                 bnTarget.SetCompact(pindex->nBits,&fNegative,&fOverflow);
-                for (z=0; z<32; z++)
+                for (z=0; z<16; z++)
                     sprintf(&str[z<<1],"%02x",((uint8_t *)&bnTarget)[31-z]);
-                str[32] = 0; fprintf(fp,"%d,%u,%u,%s,%.8f,%.8f\n",i,pindex->nTime,pindex->nBits,str,GetDifficulty(pindex),GetNetworkDifficulty(pindex));
+                str[32] = 0;
+                hash = pindex->GetBlockHash();
+                for (z=0; z<16; z++)
+                    sprintf(&strw[z<<1],"%02x",((uint8_t *)&hash)[31-z]);
+                strw[32] = 0; fprintf(fp,"%d,%u,%u,%s,%s,%.8f,%.8f\n",i,pindex->nTime,pindex->nBits,str,str2,GetDifficulty(pindex),GetNetworkDifficulty(pindex));
             }
         }
         fclose(fp);
         result.push_back(Pair("result", "success"));
-        result.push_back(Pair("created", "COIN_mining.csv"));
+        result.push_back(Pair("created", fname));
     }
     else
     {