diff --git a/iguana/iguana_recv.c b/iguana/iguana_recv.c
index e5fb3deac..25bc68175 100755
--- a/iguana/iguana_recv.c
+++ b/iguana/iguana_recv.c
@@ -998,6 +998,8 @@ int32_t iguana_reqblocks(struct iguana_info *coin)
                 else if ( bp != 0 && bundlei < bp->n-1 && (bits256_nonz(bp->hashes[bundlei+1]) != 0 || (bp->speculative != 0 && bits256_nonz(bp->speculative[bundlei+1]) != 0)) )
                 {
                     int32_t j;
+                    memset(bp->hashes[bundlei].bytes,0,sizeof(bp->hashes[bundlei]));
+                    bp->blocks[bundlei] = 0;
                     for (j=0; j<5&&bundlei+j+1<bp->n; j++)
                     {
                         if ( time(NULL) > bp->issued[bundlei+1+j]+10 )