diff --git a/ethchain/stack.go b/ethchain/stack.go
index e3fc4b684..0dadd15e5 100644
--- a/ethchain/stack.go
+++ b/ethchain/stack.go
@@ -55,6 +55,7 @@ const (
 
 	// 0x50 range - 'storage' and execution
 	oPUSH    = 0x50
+	oPUSH20  = 0x80
 	oPOP     = 0x51
 	oDUP     = 0x52
 	oSWAP    = 0x53
diff --git a/ethchain/vm.go b/ethchain/vm.go
index f94425d2d..dd99ee790 100644
--- a/ethchain/vm.go
+++ b/ethchain/vm.go
@@ -301,7 +301,6 @@ func (vm *Vm) RunClosure(closure *Closure) []byte {
 		// 0x50 range
 		case oPUSH: // Push PC+1 on to the stack
 			pc.Add(pc, ethutil.Big1)
-			//val := closure.GetMem(pc).BigInt()
 			data := closure.Gets(pc, big.NewInt(32))
 			val := ethutil.BigD(data.Bytes())
 
@@ -309,6 +308,16 @@ func (vm *Vm) RunClosure(closure *Closure) []byte {
 			stack.Push(val)
 
 			pc.Add(pc, big.NewInt(31))
+		case oPUSH20:
+			pc.Add(pc, ethutil.Big1)
+			data := closure.Gets(pc, big.NewInt(20))
+			val := ethutil.BigD(data.Bytes())
+
+			// Push value to stack
+			stack.Push(val)
+
+			pc.Add(pc, big.NewInt(19))
+
 		case oPOP:
 			stack.Pop()
 		case oDUP:
diff --git a/ethchain/vm_test.go b/ethchain/vm_test.go
index dc74422cc..923d3526c 100644
--- a/ethchain/vm_test.go
+++ b/ethchain/vm_test.go
@@ -114,12 +114,13 @@ func TestRun4(t *testing.T) {
 
 		int8 ret = 0
 		int8 arg = 10
-		call(938726394128221156290138488023434115948430767407, 0, 100000000, arg, ret)
+		addr address = "a46df28529eb8aa8b8c025b0b413c5f4b688352f"
+		call(address, 0, 100000000, arg, ret)
 	`), false)
 	if err != nil {
 		fmt.Println(err)
 	}
-	asm = append(asm, "LOG")
+	//asm = append(asm, "LOG")
 	fmt.Println(asm)
 
 	callerScript := ethutil.Assemble(asm...)
diff --git a/ethutil/parsing.go b/ethutil/parsing.go
index 0de396654..278414982 100644
--- a/ethutil/parsing.go
+++ b/ethutil/parsing.go
@@ -51,7 +51,10 @@ var OpCodes = map[string]byte{
 	"GASLIMIT":   0x45,
 
 	// 0x50 range - 'storage' and execution
-	"PUSH":    0x50,
+	"PUSH": 0x50,
+
+	"PUSH20": 0x80,
+
 	"POP":     0x51,
 	"DUP":     0x52,
 	"SWAP":    0x53,