diff --git a/nashorn/test/script/basic/JDK-8047369.js b/nashorn/test/script/basic/JDK-8047369.js
index e2b09840787..a3b15b2b0dc 100644
--- a/nashorn/test/script/basic/JDK-8047369.js
+++ b/nashorn/test/script/basic/JDK-8047369.js
@@ -167,8 +167,8 @@ evalExpectValue(<<CODE
 CODE, "set \":\"(a) {}");
 
 // bug JDK-8047366
-// evalExpectValue("(1000000000000000128).toString()", "1000000000000000100");
-// evalExpectValue("(1000000000000000128).toFixed().toString()", "1000000000000000128");
+evalExpectValue("(1000000000000000128).toString()", "1000000000000000100");
+evalExpectValue("(1000000000000000128).toFixed().toString()", "1000000000000000128");
 
 try {
     Function("-", {