diff --git a/vector/empty.go b/vector/empty.go
index c67594bf4..7b20346e4 100644
--- a/vector/empty.go
+++ b/vector/empty.go
@@ -21,47 +21,52 @@ func NewEmpty(typ super.Type) *Empty {
 }
 
 func (e *Empty) Kind() Kind {
-	switch e.typ.(type) {
-	case *super.TypeOfUint8, *super.TypeOfUint16, *super.TypeOfUint32, *super.TypeOfUint64:
-		return KindUint
-	case *super.TypeOfInt8, *super.TypeOfInt16, *super.TypeOfInt32, *super.TypeOfInt64, *super.TypeOfDuration, *super.TypeOfTime:
-		return KindInt
-	case *super.TypeOfFloat16, *super.TypeOfFloat32, *super.TypeOfFloat64:
-		return KindFloat
-	case *super.TypeOfBool:
-		return KindBool
-	case *super.TypeOfBytes:
-		return KindBytes
-	case *super.TypeOfString:
-		return KindString
-	case *super.TypeOfIP:
-		return KindIP
-	case *super.TypeOfNet:
-		return KindNet
-	case *super.TypeOfType:
-		return KindType
-	case *super.TypeOfNull:
-		return KindNull
-	case *super.TypeOfNone:
-		return KindNone
-	case *super.TypeRecord:
-		return KindRecord
-	case *super.TypeArray:
-		return KindArray
-	case *super.TypeSet:
-		return KindSet
-	case *super.TypeMap:
-		return KindMap
-	case *super.TypeUnion:
-		return KindUnion
-	case *super.TypeEnum:
-		return KindEnum
-	case *super.TypeError:
-		return KindError
-	case *super.TypeFusion:
-		return KindFusion
-	default:
-		panic(sup.String(e.typ))
+	typ := e.typ
+	for {
+		switch t := typ.(type) {
+		case *super.TypeOfUint8, *super.TypeOfUint16, *super.TypeOfUint32, *super.TypeOfUint64:
+			return KindUint
+		case *super.TypeOfInt8, *super.TypeOfInt16, *super.TypeOfInt32, *super.TypeOfInt64, *super.TypeOfDuration, *super.TypeOfTime:
+			return KindInt
+		case *super.TypeOfFloat16, *super.TypeOfFloat32, *super.TypeOfFloat64:
+			return KindFloat
+		case *super.TypeOfBool:
+			return KindBool
+		case *super.TypeOfBytes:
+			return KindBytes
+		case *super.TypeOfString:
+			return KindString
+		case *super.TypeOfIP:
+			return KindIP
+		case *super.TypeOfNet:
+			return KindNet
+		case *super.TypeOfType:
+			return KindType
+		case *super.TypeOfNull:
+			return KindNull
+		case *super.TypeOfNone:
+			return KindNone
+		case *super.TypeRecord:
+			return KindRecord
+		case *super.TypeArray:
+			return KindArray
+		case *super.TypeSet:
+			return KindSet
+		case *super.TypeMap:
+			return KindMap
+		case *super.TypeUnion:
+			return KindUnion
+		case *super.TypeEnum:
+			return KindEnum
+		case *super.TypeError:
+			return KindError
+		case *super.TypeFusion:
+			return KindFusion
+		case *super.TypeNamed:
+			typ = t.Type
+		default:
+			panic(sup.String(e.typ))
+		}
 	}
 }