diff --git a/src/miner.cpp b/src/miner.cpp
index ddb1a4bb7..791b8ba18 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -1449,13 +1449,14 @@ void static BitcoinMiner_noeq()
             }
             else if ( ASSETCHAINS_ADAPTIVEPOW != 0 && ASSETCHAINS_STAKED == 0 )
             {
-                arith_uint256 origtarget;
+                arith_uint256 origtarget; bool fNegative,fOverflow;
                 uint32_t elapsed = (pblock->nTime - komodo_heightstamp(Mining_height-1));
                 if ( elapsed > 777 )
                 {
                     elapsed -= 777;
+                    origtarget = HASHTarget;
                     HASHTarget_POW = HASHTarget * arith_uint256(elapsed * elapsed);
-                    if ( bnTarget < origtarget ) // deal with underflow
+                    if ( HASHTarget < origtarget ) // deal with underflow
                     {
                         bnTarget.SetCompact(KOMODO_MINDIFF_NBITS,&fNegative,&fOverflow);
                         fprintf(stderr,"miner underflowed, set to mindiff\n");
diff --git a/src/pow.cpp b/src/pow.cpp
index 09fdf0c9c..47d538031 100644
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -460,6 +460,7 @@ bool CheckProofOfWork(const CBlockHeader &blkHeader, uint8_t *pubkey33, int32_t
         if ( elapsed > 777 )
         {
             elapsed -= 777;
+            origtarget = bnTarget;
             bnTarget = bnTarget * arith_uint256(elapsed * elapsed);
             if ( bnTarget < origtarget ) // deal with underflow
             {