diff --git a/src/coins.cpp b/src/coins.cpp
index c97ba0790..9ac4358cd 100644
--- a/src/coins.cpp
+++ b/src/coins.cpp
@@ -391,7 +391,8 @@ extern char ASSETCHAINS_SYMBOL[16];
 
 CAmount CCoinsViewCache::GetValueIn(int32_t nHeight,int64_t *interestp,const CTransaction& tx,uint32_t tiptime) const
 {
-    *interestp = 0;
+    if ( interestp != 0 )
+        *interestp = 0;
     if ( tx.IsCoinBase() != 0 )
         return 0;
     CAmount value,nResult = 0;
@@ -400,7 +401,7 @@ CAmount CCoinsViewCache::GetValueIn(int32_t nHeight,int64_t *interestp,const CTr
         value = GetOutputFor(tx.vin[i]).nValue;
         nResult += value;
 #ifdef KOMODO_ENABLE_INTEREST
-        if ( ASSETCHAINS_SYMBOL[0] == 0 && nHeight >= 60000 )
+        if ( interestp != 0 && ASSETCHAINS_SYMBOL[0] == 0 && nHeight >= 60000 )
         {
             if ( value >= 10*COIN )
             {
diff --git a/src/main.cpp b/src/main.cpp
index 0fa600f01..b30c7806d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1803,15 +1803,14 @@ bool CheckTxInputs(const CTransaction& tx, CValidationState& state, const CCoins
             // Check for negative or overflow input values
             nValueIn += coins->vout[prevout.n].nValue;
 #ifdef KOMODO_ENABLE_INTEREST
-            if ( ASSETCHAINS_SYMBOL[0] == 0 && chainActive.Tip() != 0 && chainActive.Tip()->nHeight >= 60000 )
+            if ( ASSETCHAINS_SYMBOL[0] == 0 && chainActive.Tip() != 0 && chainActive.Tip()->nHeight >= 60000 && chainActive.Tip()->nHeight < 350000 )
             {
                 if ( coins->vout[prevout.n].nValue >= 10*COIN )
                 {
                     int64_t interest; int32_t txheight; uint32_t locktime;
                     if ( (interest= komodo_accrued_interest(&txheight,&locktime,prevout.hash,prevout.n,0,coins->vout[prevout.n].nValue)) != 0 )
                     {
-                        //printf("checkResult %.8f += val %.8f interest %.8f ht.%d lock.%u tip.%u\n",(double)nValueIn/COIN,(double)coins->vout[prevout.n].nValue/COIN,(double)interest/COIN,txheight,locktime,chainActive.Tip()->nTime);
-                        //fprintf(stderr,"checkResult %.8f += val %.8f interest %.8f ht.%d lock.%u tip.%u\n",(double)nValueIn/COIN,(double)coins->vout[prevout.n].nValue/COIN,(double)interest/COIN,txheight,locktime,chainActive.Tip()->nTime);
+                        fprintf(stderr,"checkResult %.8f += val %.8f interest %.8f ht.%d lock.%u tip.%u\n",(double)nValueIn/COIN,(double)coins->vout[prevout.n].nValue/COIN,(double)interest/COIN,txheight,locktime,chainActive.Tip()->nTime);
                         nValueIn += interest;
                     }
                 }
diff --git a/src/miner.cpp b/src/miner.cpp
index 3de85e5cf..8cee2e5d0 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -335,7 +335,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
             if (!view.HaveInputs(tx))
                 continue;
 
-            CAmount nTxFees = view.GetValueIn(chainActive.Tip()->nHeight,&interest,tx,chainActive.Tip()->nTime)-tx.GetValueOut();
+            CAmount nTxFees = view.GetValueIn(chainActive.Tip()->nHeight,0,tx,chainActive.Tip()->nTime)-tx.GetValueOut();
 
             nTxSigOps += GetP2SHSigOpCount(tx, view);
             if (nBlockSigOps + nTxSigOps >= MAX_BLOCK_SIGOPS)
diff --git a/src/policy/fees.cpp b/src/policy/fees.cpp
index 9aca615f0..17cac1ce6 100644
--- a/src/policy/fees.cpp
+++ b/src/policy/fees.cpp
@@ -56,7 +56,11 @@ void TxConfirmStats::ClearCurrent(unsigned int nBlockHeight)
 unsigned int TxConfirmStats::FindBucketIndex(double val)
 {
     auto it = bucketMap.lower_bound(val);
-    assert(it != bucketMap.end());
+    //assert(it != bucketMap.end());
+    if ( it != bucketMap.end() )
+    {
+        fprintf(stderr,"FindBucketIndex violation: from val %f\n",val);
+    }
     return it->second;
 }