diff --git a/vm/vm.go b/vm/vm.go
index 4364b1cb9..69e061e54 100644
--- a/vm/vm.go
+++ b/vm/vm.go
@@ -516,7 +516,7 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
 		case BLOCKHASH:
 			num := stack.Pop()
 
-			n := U256(new(big.Int).Sub(self.env.BlockNumber(), ethutil.Big257))
+			n := new(big.Int).Sub(self.env.BlockNumber(), ethutil.Big257)
 			if num.Cmp(n) > 0 && num.Cmp(self.env.BlockNumber()) < 0 {
 				stack.Push(ethutil.BigD(self.env.GetHash(num.Uint64())))
 			} else {
@@ -681,8 +681,6 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
 				self.Dbg.SetCode(context.Code)
 			}
 		case CALL, CALLCODE:
-			self.Endl()
-
 			gas := stack.Pop()
 			// Pop gas and value of the stack.
 			value, addr := stack.Popn()
@@ -691,6 +689,9 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
 			// Pop return size and offset
 			retSize, retOffset := stack.Popn()
 
+			address := ethutil.Address(addr.Bytes())
+			self.Printf(" => %x", address).Endl()
+
 			// Get the arguments from the memory
 			args := mem.Get(inOffset.Int64(), inSize.Int64())
 
@@ -699,9 +700,9 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
 				err error
 			)
 			if op == CALLCODE {
-				ret, err = self.env.CallCode(context, addr.Bytes(), args, gas, price, value)
+				ret, err = self.env.CallCode(context, address, args, gas, price, value)
 			} else {
-				ret, err = self.env.Call(context, addr.Bytes(), args, gas, price, value)
+				ret, err = self.env.Call(context, address, args, gas, price, value)
 			}
 
 			if err != nil {