diff --git a/mist/debugger.go b/mist/debugger.go
index f81cddb1b..ebe18c78f 100644
--- a/mist/debugger.go
+++ b/mist/debugger.go
@@ -127,7 +127,7 @@ func (self *DebuggerWindow) Debug(valueStr, gasStr, gasPriceStr, scriptStr, data
 	state := self.lib.eth.StateManager().TransState()
 	account := self.lib.eth.StateManager().TransState().GetAccount(keyPair.Address())
 	contract := ethstate.NewStateObject([]byte{0})
-	contract.Balance = value
+	contract.SetBalance(value)
 
 	self.SetAsm(script)
 
@@ -135,14 +135,14 @@ func (self *DebuggerWindow) Debug(valueStr, gasStr, gasPriceStr, scriptStr, data
 
 	callerClosure := vm.NewClosure(&ethstate.Message{}, account, contract, script, gas, gasPrice)
 	env := utils.NewEnv(state, block, account.Address(), value)
-	vm := vm.NewDebugVm(env)
-	vm.Dbg = self.Db
+	evm := vm.NewDebugVm(env)
+	evm.Dbg = self.Db
 
-	self.vm = vm
+	self.vm = evm
 	self.Db.done = false
 	self.Logf("callsize %d", len(script))
 	go func() {
-		ret, g, err := callerClosure.Call(vm, data)
+		ret, g, err := callerClosure.Call(evm, data)
 		tot := new(big.Int).Mul(g, gasPrice)
 		self.Logf("gas usage %v total price = %v (%v)", g, tot, ethutil.CurrencyToString(tot))
 		if err != nil {
diff --git a/mist/gui.go b/mist/gui.go
index 1bb8a1934..2c19680c0 100644
--- a/mist/gui.go
+++ b/mist/gui.go
@@ -382,7 +382,7 @@ func (gui *Gui) update() {
 	state := gui.eth.StateManager().TransState()
 
 	unconfirmedFunds := new(big.Int)
-	gui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(state.GetAccount(gui.address()).Balance)))
+	gui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(state.GetAccount(gui.address()).Balance())))
 
 	lastBlockLabel := gui.getObjectByName("lastBlockLabel")
 	miningLabel := gui.getObjectByName("miningLabel")
@@ -410,7 +410,7 @@ func (gui *Gui) update() {
 				case ethchain.NewBlockEvent:
 					gui.processBlock(ev.Block, false)
 					if bytes.Compare(ev.Block.Coinbase, gui.address()) == 0 {
-						gui.setWalletValue(gui.eth.StateManager().CurrentState().GetAccount(gui.address()).Balance, nil)
+						gui.setWalletValue(gui.eth.StateManager().CurrentState().GetAccount(gui.address()).Balance(), nil)
 					}
 
 				case ethchain.TxEvent:
@@ -424,7 +424,7 @@ func (gui *Gui) update() {
 							unconfirmedFunds.Add(unconfirmedFunds, tx.Value)
 						}
 
-						gui.setWalletValue(object.Balance, unconfirmedFunds)
+						gui.setWalletValue(object.Balance(), unconfirmedFunds)
 
 						gui.insertTransaction("pre", tx)
 
@@ -442,7 +442,7 @@ func (gui *Gui) update() {
 							gui.txDb.Put(tx.Hash(), tx.RlpEncode())
 						}
 
-						gui.setWalletValue(object.Balance, nil)
+						gui.setWalletValue(object.Balance(), nil)
 
 						state.UpdateStateObject(object)
 					}
diff --git a/mist/main.go b/mist/main.go
index 54c4d4501..116bd78fd 100644
--- a/mist/main.go
+++ b/mist/main.go
@@ -12,7 +12,7 @@ import (
 
 const (
 	ClientIdentifier = "Mist"
-	Version          = "0.7.0"
+	Version          = "0.7.1"
 )
 
 var ethereum *eth.Ethereum
diff --git a/utils/vm_env.go b/utils/vm_env.go
index 585dda9cd..21341ab04 100644
--- a/utils/vm_env.go
+++ b/utils/vm_env.go
@@ -5,6 +5,7 @@ import (
 
 	"github.com/ethereum/eth-go/ethchain"
 	"github.com/ethereum/eth-go/ethstate"
+	"github.com/ethereum/eth-go/vm"
 )
 
 type VMEnv struct {
@@ -34,3 +35,6 @@ func (self *VMEnv) BlockHash() []byte      { return self.block.Hash() }
 func (self *VMEnv) Value() *big.Int        { return self.value }
 func (self *VMEnv) State() *ethstate.State { return self.state }
 func (self *VMEnv) GasLimit() *big.Int     { return self.block.GasLimit }
+func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) error {
+	return vm.Transfer(from, to, amount)
+}