diff --git a/iguana/iguana_spendvectors.c b/iguana/iguana_spendvectors.c
index 9cdbf861d..cb7dca1c4 100755
--- a/iguana/iguana_spendvectors.c
+++ b/iguana/iguana_spendvectors.c
@@ -713,7 +713,7 @@ int32_t iguana_volatilesinit(struct supernet_info *myinfo,struct iguana_info *co
                 if ( fwrite(&crc,1,sizeof(crc),fp) != sizeof(crc) || fwrite(&balancehash,1,sizeof(balancehash),fp) != sizeof(balancehash) || fwrite(&allbundles,1,sizeof(allbundles),fp) != sizeof(allbundles) )
                     printf("error writing.(%s)\n",crcfname);
                 fclose(fp);
-                if ( coin->longestchain <= coin->bundlescount*coin->chain->bundlesize-coin->chain->minconfirms )
+                if ( coin->longestchain <= (coin->bundlescount-1)*coin->chain->bundlesize-coin->chain->minconfirms )
                 {
                     for (i=0; i<coin->bundlescount-1; i++)
                     {