diff --git a/src/encoding/json/jsontext/token_test.go b/src/encoding/json/jsontext/token_test.go
index f0b1e41e20..788eb5e428 100644
--- a/src/encoding/json/jsontext/token_test.go
+++ b/src/encoding/json/jsontext/token_test.go
@@ -13,6 +13,8 @@ import (
 	"reflect"
 	"strconv"
 	"testing"
+
+	"internal/testenv"
 )
 
 func TestTokenStringAllocations(t *testing.T) {