diff --git a/core/vm/instructions.go b/core/vm/instructions.go
index 9ec4544643..8329886e98 100644
--- a/core/vm/instructions.go
+++ b/core/vm/instructions.go
@@ -672,7 +672,7 @@ func opCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byt
 	addr, value, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
 	toAddr := common.Address(addr.Bytes20())
 	// Get the arguments from the memory.
-	args := scope.Memory.GetPtr(int64(inOffset.Uint64()), int64(inSize.Uint64()))
+	args := scope.Memory.GetCopy(int64(inOffset.Uint64()), int64(inSize.Uint64()))
 
 	if interpreter.readOnly && !value.IsZero() {
 		return nil, ErrWriteProtection
@@ -708,7 +708,7 @@ func opCallCode(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([
 	addr, value, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
 	toAddr := common.Address(addr.Bytes20())
 	// Get arguments from the memory.
-	args := scope.Memory.GetPtr(int64(inOffset.Uint64()), int64(inSize.Uint64()))
+	args := scope.Memory.GetCopy(int64(inOffset.Uint64()), int64(inSize.Uint64()))
 
 	if !value.IsZero() {
 		gas += params.CallStipend
@@ -741,7 +741,7 @@ func opDelegateCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
 	addr, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
 	toAddr := common.Address(addr.Bytes20())
 	// Get arguments from the memory.
-	args := scope.Memory.GetPtr(int64(inOffset.Uint64()), int64(inSize.Uint64()))
+	args := scope.Memory.GetCopy(int64(inOffset.Uint64()), int64(inSize.Uint64()))
 
 	ret, returnGas, err := interpreter.evm.DelegateCall(scope.Contract, toAddr, args, gas)
 	if err != nil {
@@ -770,7 +770,7 @@ func opStaticCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
 	addr, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
 	toAddr := common.Address(addr.Bytes20())
 	// Get arguments from the memory.
-	args := scope.Memory.GetPtr(int64(inOffset.Uint64()), int64(inSize.Uint64()))
+	args := scope.Memory.GetCopy(int64(inOffset.Uint64()), int64(inSize.Uint64()))
 
 	ret, returnGas, err := interpreter.evm.StaticCall(scope.Contract, toAddr, args, gas)
 	if err != nil {
@@ -791,14 +791,14 @@ func opStaticCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
 
 func opReturn(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
 	offset, size := scope.Stack.pop(), scope.Stack.pop()
-	ret := scope.Memory.GetPtr(int64(offset.Uint64()), int64(size.Uint64()))
+	ret := scope.Memory.GetCopy(int64(offset.Uint64()), int64(size.Uint64()))
 
 	return ret, errStopToken
 }
 
 func opRevert(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
 	offset, size := scope.Stack.pop(), scope.Stack.pop()
-	ret := scope.Memory.GetPtr(int64(offset.Uint64()), int64(size.Uint64()))
+	ret := scope.Memory.GetCopy(int64(offset.Uint64()), int64(size.Uint64()))
 
 	interpreter.returnData = ret
 	return ret, ErrExecutionReverted