diff --git a/iguana/dpow/dpow_fsm.c b/iguana/dpow/dpow_fsm.c
index a6eb17b7e..18b5d9b3b 100755
--- a/iguana/dpow/dpow_fsm.c
+++ b/iguana/dpow/dpow_fsm.c
@@ -250,7 +250,7 @@ bits256 dpow_calcMoM(uint32_t *MoMdepthp,struct supernet_info *myinfo,struct igu
         {
             merkles = calloc(maxdepth,sizeof(*merkles));
             merkles[MoMdepth++] = merkle;
-            while ( MoMdepth < maxdepth )
+            while ( MoMdepth < maxdepth && MoMdepth < height )
             {
                 ht = height - MoMdepth;
                 blockhash = dpow_getblockhash(myinfo,coin,ht);
diff --git a/iguana/dpow/dpow_network.c b/iguana/dpow/dpow_network.c
index 598f0fd42..df283540b 100755
--- a/iguana/dpow/dpow_network.c
+++ b/iguana/dpow/dpow_network.c
@@ -1873,7 +1873,7 @@ void dpow_notarize_update(struct supernet_info *myinfo,struct dpow_info *dp,stru
                     bp->pendingbestk = bp->bestk;
                     bp->pendingbestmask = bp->bestmask;
                     dpow_signedtxgen(myinfo,dp,bp->destcoin,bp,bp->bestk,bp->bestmask,bp->myind,DPOW_SIGBTCCHANNEL,1,0);
-                    printf("finished signing\n");
+                    //printf("finished signing\n");
                 }
                 if ( bp->destsigsmasks[bp->bestk] == bp->bestmask ) // have all sigs
                 {