From 759571681604e95b876a03e274c9588529ab204e Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Wed, 27 May 2015 17:01:28 +0200
Subject: [PATCH] core: adjust gas calculation

---
 core/chain_manager.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core/chain_manager.go b/core/chain_manager.go
index ec479db25c..ee73145c10 100644
--- a/core/chain_manager.go
+++ b/core/chain_manager.go
@@ -69,6 +69,7 @@ func CalcGasLimit(parent *types.Block) *big.Int {
 
 	gl := new(big.Int).Sub(parent.GasLimit(), decay)
 	gl = gl.Add(gl, contrib)
+	gl = gl.Add(gl, big.NewInt(1))
 	gl = common.BigMax(gl, params.MinGasLimit)
 
 	if gl.Cmp(params.GenesisGasLimit) < 0 {