diff --git a/lib/msgpack/decode_value.go b/lib/msgpack/decode_value.go
index c44a674..73ce901 100644
--- a/lib/msgpack/decode_value.go
+++ b/lib/msgpack/decode_value.go
@@ -79,7 +79,7 @@ func _getDecoder(typ reflect.Type) decoderFunc {
 
 	// Addressable struct field value.
 	if kind != reflect.Ptr {
-		ptr := reflect.PtrTo(typ)
+		ptr := reflect.PointerTo(typ)
 		if ptr.Implements(customDecoderType) {
 			return addrDecoder(nilAwareDecoder(typ, decodeCustomValue))
 		}
diff --git a/lib/msgpack/encode_value.go b/lib/msgpack/encode_value.go
index 1d6303a..fe56e3b 100644
--- a/lib/msgpack/encode_value.go
+++ b/lib/msgpack/encode_value.go
@@ -72,7 +72,7 @@ func _getEncoder(typ reflect.Type) encoderFunc {
 
 	// Addressable struct field value.
 	if kind != reflect.Ptr {
-		ptr := reflect.PtrTo(typ)
+		ptr := reflect.PointerTo(typ)
 		if ptr.Implements(customEncoderType) {
 			return encodeCustomValuePtr
 		}