diff --git a/iguana/iguana777.c b/iguana/iguana777.c
index c5c3b5eac..9aaa4ba60 100755
--- a/iguana/iguana777.c
+++ b/iguana/iguana777.c
@@ -394,7 +394,10 @@ int32_t iguana_utxogen(struct iguana_info *coin,int32_t helperid,int32_t convert
         {
             //for (hdrsi=0; hdrsi<max; hdrsi++)
             //    iguana_allocvolatile(coin,&coin->bundles[hdrsi]->ramchain);
-            for (hdrsi=coin->balanceswritten; hdrsi<max; hdrsi++,coin->balanceswritten++)
+            if ( coin->origbalanceswritten <= 1 )
+                hdrsi = 0;
+            else hdrsi = coin->origbalanceswritten;
+            for (; hdrsi<max; hdrsi++,coin->balanceswritten++)
                 iguana_balancegen(coin,0,coin->bundles[hdrsi],0,coin->chain->bundlesize-1);
             if ( iguana_balanceflush(coin,max) > 0 )
                 printf("balanceswritten.%d flushed bp->hdrsi %d vs %d coin->longestchain/coin->chain->bundlesize\n",coin->balanceswritten,bp->hdrsi,coin->longestchain/coin->chain->bundlesize);
diff --git a/iguana/iguana_bundles.c b/iguana/iguana_bundles.c
index eb88d4f4e..d8e872e90 100755
--- a/iguana/iguana_bundles.c
+++ b/iguana/iguana_bundles.c
@@ -517,10 +517,10 @@ int32_t iguana_bundleissuemissing(struct iguana_info *coin,struct iguana_bundle
     lag = aveduration * mult;
     if ( coin->PREFETCHLAG < 0 )
     {
-        if ( bp != coin->current )
-            lag = 20;
-        else if ( lag < 10 )
-            lag = 10;
+        if ( bp != coin->current && lag < 60 )
+            lag = 60;
+        else if ( lag < 30 )
+            lag = 30;
     }
     else if ( lag < 120 && coin->enableCACHE == 0 )
     {
diff --git a/iguana/iguana_unspents.c b/iguana/iguana_unspents.c
index 4455128e4..97251e6f9 100755
--- a/iguana/iguana_unspents.c
+++ b/iguana/iguana_unspents.c
@@ -1164,6 +1164,7 @@ int32_t iguana_balancegen(struct iguana_info *coin,int32_t incremental,struct ig
                     }
                 }
                 else continue;
+                spentbp = 0;
                 if ( spent_unspentind > 0 && spent_pkind > 0 && (spentbp= coin->bundles[spent_hdrsi]) != 0 )
                 {
                     if ( iguana_volatileupdate(coin,0,&spentbp->ramchain,spent_hdrsi,spent_unspentind,spent_pkind,spent_value,spendind,h) < 0 )
@@ -1172,7 +1173,7 @@ int32_t iguana_balancegen(struct iguana_info *coin,int32_t incremental,struct ig
                 else
                 {
                     errs++;
-                    printf("iguana_balancegen: error with unspentind.%d [%d]\n",spent_unspentind,spent_hdrsi);
+                    printf("iguana_balancegen: error spentbp.%p with unspentind.%d [%d]\n",spentbp,spent_unspentind,spent_hdrsi);
                 }
             }
         }