diff --git a/pkg/vm/vm_ops_stackmani.go b/pkg/vm/vm_ops_stackmani.go
index c510eb7db..366beb15b 100644
--- a/pkg/vm/vm_ops_stackmani.go
+++ b/pkg/vm/vm_ops_stackmani.go
@@ -7,13 +7,13 @@ import (
 // Stack Manipulation Opcodes
 
 // PushNBytes will Read N Bytes from the script and push it onto the stack
-func PushNBytes(op stack.Instruction, ctx *stack.Context, istack *stack.Invocation) error {
+func PushNBytes(op stack.Instruction, ctx *stack.Context, istack *stack.Invocation) (Vmstate, error) {
 
 	val, err := ctx.ReadBytes(int(op))
 	if err != nil {
-		return err
+		return FAULT, err
 	}
 	ba := stack.NewByteArray(val)
 	ctx.Estack.Push(ba)
-	return nil
+	return NONE, nil
 }