diff --git a/iguana/iguana777.c b/iguana/iguana777.c
index 94c359a4d..657fbd888 100755
--- a/iguana/iguana777.c
+++ b/iguana/iguana777.c
@@ -97,6 +97,7 @@ void iguana_recvalloc(struct iguana_info *coin,int32_t numitems)
 {
     //coin->blocks.ptrs = myrealloc('W',coin->blocks.ptrs,coin->blocks.ptrs==0?0:coin->blocks.maxbits * sizeof(*coin->blocks.ptrs),numitems * sizeof(*coin->blocks.ptrs));
     coin->blocks.RO = myrealloc('W',coin->blocks.RO,coin->blocks.RO==0?0:coin->blocks.maxbits * sizeof(*coin->blocks.RO),numitems * sizeof(*coin->blocks.RO));
+    coin->utxobits = myrealloc('u',coin->utxobits,coin->utxobits==0?0:coin->blocks.maxbits/8+1,numitems/8+1);
     printf("realloc waitingbits.%d -> %d\n",coin->blocks.maxbits,numitems);
     coin->blocks.maxbits = numitems;
 }
diff --git a/iguana/iguana777.h b/iguana/iguana777.h
index 625debd97..aed6c55be 100755
--- a/iguana/iguana777.h
+++ b/iguana/iguana777.h
@@ -38,7 +38,7 @@ typedef int32_t (*blockhashfunc)(uint8_t *blockhashp,uint8_t *serialized,int32_t
 #define IGUANA_TAILPERCENTAGE 1.0
 #define IGUANA_MAXPENDHDRS 1
 #define _IGUANA_MAXPENDING 7
-#define IGUANA_MINPENDBUNDLES 32
+#define IGUANA_MINPENDBUNDLES 50
 #define IGUANA_MAXPENDBUNDLES 64
 #define IGUANA_BUNDLELOOP 10000
 #define IGUANA_RPCPORT 7778
@@ -476,7 +476,7 @@ struct iguana_info
     uint32_t recvtime,hdrstime,backstoptime,lastbundletime,numreqsent,numbundlesQ,lastbundleitime;
     double backstopmillis; bits256 backstophash2; int64_t spaceused;
     int32_t initialheight,mapflags,minconfirms,numrecv,bindsock,isRT,backstop,blocksrecv,merging,polltimeout,numreqtxids,allhashes; bits256 reqtxids[64];
-    void *launched,*started;
+    void *launched,*started; uint8_t *utxobits;
     uint64_t bloomsearches,bloomhits,bloomfalse,collisions; uint8_t blockspace[IGUANA_MAXPACKETSIZE + 8192]; struct OS_memspace blockMEM;
     struct iguana_blocks blocks; bits256 APIblockhash,APItxid; char *APIblockstr;
     struct iguana_waccount *wallet;