diff --git a/iguana/iguana777.h b/iguana/iguana777.h
index c1682a4f0..64beb0b42 100755
--- a/iguana/iguana777.h
+++ b/iguana/iguana777.h
@@ -38,8 +38,8 @@ typedef int32_t (*blockhashfunc)(uint8_t *blockhashp,uint8_t *serialized,int32_t
 #define IGUANA_TAILPERCENTAGE 1.0
 #define IGUANA_MAXPENDHDRS 1
 #define _IGUANA_MAXPENDING 3
-#define IGUANA_MINPENDBUNDLES 8
-#define IGUANA_MAXPENDBUNDLES 64
+#define IGUANA_MINPENDBUNDLES 4
+#define IGUANA_MAXPENDBUNDLES 128
 #define IGUANA_BUNDLELOOP 77
 #define IGUANA_RPCPORT 7778
 #define IGUANA_MAXRAMCHAINSIZE ((uint64_t)1024L * 1024L * 1024L * 16)
diff --git a/iguana/iguana_bundles.c b/iguana/iguana_bundles.c
index bc723d0d4..d8c1826d6 100755
--- a/iguana/iguana_bundles.c
+++ b/iguana/iguana_bundles.c
@@ -466,7 +466,7 @@ int32_t iguana_bundleissue(struct iguana_info *coin,struct iguana_bundle *bp,int
                     {
                         if ( peercounts[i] > 10 && (addr= coin->peers.ranked[i]) != 0 && now > bp->currenttime+lag )
                         {
-                            if ( numpeers > 64 || addr->laggard++ > 5 )
+                            if ( numpeers > 64 || addr->laggard++ > 3 )
                                 addr->dead = (uint32_t)time(NULL);
                             for (j=0; j<bp->n; j++)
                             {
diff --git a/iguana/iguana_recv.c b/iguana/iguana_recv.c
index 0e190668a..ed3b11ef6 100755
--- a/iguana/iguana_recv.c
+++ b/iguana/iguana_recv.c
@@ -836,24 +836,30 @@ int32_t iguana_reqblocks(struct iguana_info *coin)
                 {
                     coin->backstop = coin->blocks.hwmchain.height+1;
                     hash2 = iguana_blockhash(coin,coin->backstop);
+                    bp = coin->bundles[(coin->blocks.hwmchain.height+1)/coin->chain->bundlesize];
+                    bundlei = (coin->blocks.hwmchain.height+1) % coin->chain->bundlesize;
+                    if ( bits256_nonz(hash2) == 0 )
+                    {
+                        hash2 = bp->hashes[bundlei];
+                        if ( bits256_nonz(hash2) == 0 && bp->speculative != 0 )
+                            hash2 = bp->speculative[bundlei];
+                    }
                     if ( bits256_nonz(hash2) > 0 )
                     {
-                        bp = coin->bundles[(coin->blocks.hwmchain.height+1)/coin->chain->bundlesize];
-                        bundlei = (coin->blocks.hwmchain.height+1) % coin->chain->bundlesize;
-                        if ( bp != 0 && bits256_nonz(bp->hashes[bundlei]) > 0 )
+                        if ( bp != 0 && bits256_nonz(hash2) > 0 )
                         {
                             coin->backstopmillis = OS_milliseconds();
-                            iguana_blockQ("mainchain",coin,bp,bundlei,bp->hashes[bundlei],0);
+                            iguana_blockQ("mainchain",coin,bp,bundlei,hash2,0);
                             flag++;
                             char str[65];
                             if ( 1 && (rand() % 1000) == 0 || bp->bundleheight > coin->longestchain-coin->chain->bundlesize )
                                 printf("%s MAINCHAIN.%d threshold %.3f %.3f lag %.3f\n",bits256_str(str,hash2),coin->blocks.hwmchain.height+1,threshold,coin->backstopmillis,lag);
                         }
-                        else if ( bp != 0 && bundlei < bp->n-1 && bits256_nonz(bp->hashes[bundlei+1]) > 0 )
-                        {
-                            printf("MAINCHAIN skip issue %d\n",bundlei+1);
-                            iguana_blockQ("mainskip",coin,bp,bundlei,bp->hashes[bundlei+1],0);
-                        }
+                    }
+                    else if ( bp != 0 && bundlei < bp->n-1 && bits256_nonz(bp->hashes[bundlei+1]) > 0 )
+                    {
+                        printf("MAINCHAIN skip issue %d\n",bundlei+1);
+                        iguana_blockQ("mainskip",coin,bp,bundlei,bp->hashes[bundlei+1],0);
                     }
                 }
             }
diff --git a/iguana/main.c b/iguana/main.c
index 9dc7749bb..6cc7710cc 100755
--- a/iguana/main.c
+++ b/iguana/main.c
@@ -325,7 +325,7 @@ void sigcontinue_func() { printf("\nSIGCONT\n"); signal(SIGCONT,sigcontinue_func
 
 void mainloop(struct supernet_info *myinfo)
 {
-    int32_t i,flag; struct iguana_info *coin; struct iguana_bundle *bp; struct iguana_helper *ptr;
+    int32_t i,flag; struct iguana_info *coin; struct iguana_helper *ptr;
     sleep(3);
     printf("mainloop\n");
     while ( 1 )