diff --git a/iguana/coins/genbtcfast.json b/iguana/coins/genbtcfast.json
index 3b407a88f..eb1f33dc4 100755
--- a/iguana/coins/genbtcfast.json
+++ b/iguana/coins/genbtcfast.json
@@ -1 +1 @@
-{"numhelpers":16,"prefetchlag":5,"poll":1,"active":1,"agent":"iguana","method":"addcoin","newcoin":"BTC","startpend":1024,"endpend":1024,"services":128,"maxpeers":512,"RELAY":1,"VALIDATE":1,"portp2p":8333}
+{"numhelpers":16,"prefetchlag":5,"poll":1,"active":1,"agent":"iguana","method":"addcoin","newcoin":"BTC","startpend":512,"endpend":64,"services":128,"maxpeers":512,"RELAY":1,"VALIDATE":1,"portp2p":8333}