diff --git a/src/encoding/json/example_test.go b/src/encoding/json/example_test.go
index 326bdc9540..555eff93c0 100644
--- a/src/encoding/json/example_test.go
+++ b/src/encoding/json/example_test.go
@@ -143,10 +143,9 @@ func ExampleDecoder_Decode_stream() {
 	}
 	fmt.Printf("%T: %v\n", t, t)
 
-	var m Message
 	// while the array contains values
 	for dec.More() {
-
+		var m Message
 		// decode an array value (Message)
 		err := dec.Decode(&m)
 		if err != nil {