diff --git a/iguana/iguana_realtime.c b/iguana/iguana_realtime.c
index 1b4b886f7..9d95e6894 100755
--- a/iguana/iguana_realtime.c
+++ b/iguana/iguana_realtime.c
@@ -334,7 +334,7 @@ int32_t iguana_realtime_update(struct iguana_info *coin)
     if ( coin->RTdatabad == 0 && dest != 0 && flag != 0 && coin->RTheight >= coin->longestchain-offset )
     {
         //printf("ramchainiterate.[%d] ave %.2f micros, total %.2f seconds starti.%d num.%d\n",num0,(totalmillis0*1000.)/num0,totalmillis0/1000.,coin->RTstarti,coin->RTheight%bp->n);
-        if ( (n= iguana_walkchain(coin,1)) == coin->RTheight-1 )
+        if ( (n= iguana_walkchain(coin,1)) == coin->RTheight-1-offset )
         {
             //printf("RTgenesis verified\n");
             if ( (coin->RTheight % coin->chain->bundlesize) > 1 )