diff --git a/ast/Serializer.go b/ast/Serializer.go
index fcacbe38..1c3faa3d 100755
--- a/ast/Serializer.go
+++ b/ast/Serializer.go
@@ -18,11 +18,12 @@ import (
 	"bytes"
 	"encoding/binary"
 	"fmt"
-	"github.com/hyperjumptech/grule-rule-engine/ast/unique"
-	"github.com/sirupsen/logrus"
 	"io"
 	"math"
 	"reflect"
+
+	"github.com/hyperjumptech/grule-rule-engine/ast/unique"
+	"github.com/sirupsen/logrus"
 )
 
 // NodeType is to label a Meta information within catalog
@@ -1535,11 +1536,16 @@ func (meta *ConstantMeta) ReadMetaFrom(reader io.Reader) error {
 		return err
 	}
 	byteArr := make([]byte, length)
-	_, err = reader.Read(byteArr)
+
+	readCount, err = reader.Read(byteArr)
 	if err != nil {
 
 		return err
 	}
+	if uint64(readCount) != length {
+		
+    return io.ErrShortBuffer
+	}
 	meta.ValueBytes = byteArr
 
 	b, err := ReadBoolFromReader(reader)