diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-2-17-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-2-17-1.js
index 14ab142c7a..5d465f7953 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-2-17-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-2-17-1.js
@@ -8,13 +8,13 @@
 es5id: 15.2.3.6-2-17-1
 description: >
     Object.defineProperty - argument 'P' is a number that converts to
-    a string (value is 1(trailing 5 zeros))
+    a string (value is 1)
 includes: [runTestCase.js]
 ---*/
 
 function testcase() {
         var obj = {};
-        Object.defineProperty(obj, 000001, {});
+        Object.defineProperty(obj, 1, {});
 
         return obj.hasOwnProperty("1");
 
diff --git a/test/built-ins/String/prototype/replace/S15.5.4.11_A5_T1.js b/test/built-ins/String/prototype/replace/S15.5.4.11_A5_T1.js
index 92d05069e1..22128bc6e0 100644
--- a/test/built-ins/String/prototype/replace/S15.5.4.11_A5_T1.js
+++ b/test/built-ins/String/prototype/replace/S15.5.4.11_A5_T1.js
@@ -14,7 +14,7 @@ var __repl = "$1";
 //////////////////////////////////////////////////////////////////////////////
 //CHECK#1
 if (__str.replace(__pattern, __repl)!=='aaaaa') {
-  $ERROR('#1: var __str = "aaaaaaaaaa,aaaaaaaaaaaaaaa"; var __pattern = /^(a+)\1*,\1+$/; var __repl = "$1"; __str.replace(__pattern, __repl)===\'aaaaa\'. Actual: '+__str.replace(__pattern, __repl));
+  $ERROR('#1: var __str = "aaaaaaaaaa,aaaaaaaaaaaaaaa"; var __pattern = /^(a+)\\1*,\\1+$/; var __repl = "$1"; __str.replace(__pattern, __repl)===\'aaaaa\'. Actual: '+__str.replace(__pattern, __repl));
 }
 //
 //////////////////////////////////////////////////////////////////////////////