diff --git a/src/main.cpp b/src/main.cpp
index 9cffe8a76..f7dbebd58 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -5296,7 +5296,7 @@ bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& sta
     }
 
     // Check timestamp against prev
-    if ( ASSETCHAINS_ADAPTIVEPOW == 0 || nHeight < 30 )
+    if ( ASSETCHAINS_ADAPTIVEPOW <= 0 || nHeight < 30 )
     {
         if (block.GetBlockTime() <= pindexPrev->GetMedianTimePast() )
         {
diff --git a/src/miner.cpp b/src/miner.cpp
index 35512a7e2..54af1d021 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -123,12 +123,13 @@ public:
 
 void UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev)
 {
-    if ( ASSETCHAINS_ADAPTIVEPOW == 0 )
+    if ( ASSETCHAINS_ADAPTIVEPOW <= 0 )
         pblock->nTime = std::max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
     else pblock->nTime = std::max((int64_t)(pindexPrev->nTime+1), GetAdjustedTime());
 
     // Updating time can change work required on testnet:
-    if (consensusParams.nPowAllowMinDifficultyBlocksAfterHeight != boost::none) {
+    if (ASSETCHAINS_ADAPTIVEPOW > 0 || consensusParams.nPowAllowMinDifficultyBlocksAfterHeight != boost::none)
+    {
         pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, consensusParams);
     }
 }
@@ -569,7 +570,7 @@ CBlockTemplate* CreateNewBlock(CPubKey _pk,const CScript& _scriptPubKeyIn, int32
 
         nLastBlockTx = nBlockTx;
         nLastBlockSize = nBlockSize;
-        if ( ASSETCHAINS_ADAPTIVEPOW == 0 )
+        if ( ASSETCHAINS_ADAPTIVEPOW <= 0 )
             blocktime = 1 + std::max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
         else blocktime = 1 + std::max((int64_t)(pindexPrev->nTime+1), GetAdjustedTime());
         //pblock->nTime = blocktime + 1;
@@ -644,7 +645,7 @@ CBlockTemplate* CreateNewBlock(CPubKey _pk,const CScript& _scriptPubKeyIn, int32
         txNew.vout[0].nValue = GetBlockSubsidy(nHeight,consensusParams) + nFees;
         //fprintf(stderr,"mine ht.%d with %.8f\n",nHeight,(double)txNew.vout[0].nValue/COIN);
         txNew.nExpiryHeight = 0;
-        if ( ASSETCHAINS_ADAPTIVEPOW == 0 )
+        if ( ASSETCHAINS_ADAPTIVEPOW <= 0 )
             txNew.nLockTime = std::max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
         else txNew.nLockTime = std::max((int64_t)(pindexPrev->nTime+1), GetAdjustedTime());
 
diff --git a/src/pow.cpp b/src/pow.cpp
index fc03bf766..4a918d047 100644
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -89,7 +89,7 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
         {
             blocktime = pindexFirst->nTime;
             diff = (pblock->nTime - blocktime);
-            fprintf(stderr,"%d ",diff);
+            //fprintf(stderr,"%d ",diff);
             if ( i < 12 )
             {
                 if ( i == 3 )
@@ -104,7 +104,7 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
         }
         pindexFirst = pindexFirst->pprev;
     }
-    fprintf(stderr,"diffs %d\n",(int32_t) pindexLast->GetHeight());
+    //fprintf(stderr,"diffs %d\n",(int32_t) pindexLast->GetHeight());
     // Check we have enough blocks
     if (pindexFirst == NULL)
         return nProofOfWorkLimit;