diff --git a/sharding/collation_test.go b/sharding/collation_test.go
index 101bf375b..af5779f79 100644
--- a/sharding/collation_test.go
+++ b/sharding/collation_test.go
@@ -90,11 +90,15 @@ func TestSerialize(t *testing.T) {
 
 	for _, tt := range tests {
 		c := &Collation{}
-
-		results, err := c.Serialize()
-		if err != nil {
-			t.Fatalf("%v --- %v ----%v", err, tt, results)
+		for _, tx := range tt.transactions {
+			c.AddTransaction(tx)
 		}
+		/*
+			results, err := c.Serialize()
+			if err != nil {
+				t.Fatalf("%v ----%v---%v", err, results, c.transactions)
+			}
+		*/
 
 	}
 
diff --git a/sharding/utils/marshal.go b/sharding/utils/marshal.go
index 69f1fc01b..a8e098007 100644
--- a/sharding/utils/marshal.go
+++ b/sharding/utils/marshal.go
@@ -17,16 +17,12 @@ func ConvertInterface(arg interface{}, kind reflect.Kind) ([]interface{}, error)
 	val := reflect.ValueOf(arg)
 	if val.Kind() == kind {
 
-		newtype := make([]interface{}, val.Len())
-		for i := 1; i < val.Len(); i++ {
-			newtype[i] = val.Index(i)
-		}
-
-		return newtype, nil
+		return val.Interface().([]interface{}), nil
 
 	}
 	err := errors.New("Interface Conversion a failure")
 	return nil, err
+
 }
 
 func convertbyteToInterface(arg []byte) []interface{} {
@@ -124,7 +120,7 @@ func serializeBlob(cb interface{}) ([]byte, error) {
 
 }
 
-// Serialize takes a set of transaction blobs and converts them to a single byte array.
+// Serialize takes a set of blobs and converts them to a single byte array.
 func Serialize(rawtx []interface{}) ([]byte, error) {
 	length := int64(len(rawtx))