diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-217.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-217.js
index 5b65b4c41fed348c956a27dc946df002558c6961..dcbf272d3ad04c114298069650f192c3e03059bd 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-217.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-217.js
@@ -24,4 +24,4 @@ assert(arrObj[0] !== arrObj[0]);
 
 verifyNotWritable(arrObj, "0");
 verifyNotEnumerable(arrObj, "0");
-verifyNotWritable(arrObj, "0");
+verifyNotConfigurable(arrObj, "0");
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-256.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-256.js
index 2f9a35f89b82f3f23f79924971248268658aadcc..62e570692c835ad57898648b6c8813c6ecb999ad 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-256.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-256.js
@@ -41,6 +41,6 @@ try {
 
     verifyNotWritable(arrObj, "1");
 
-    verifyNotWritable(arrObj, "1");
+    verifyNotConfigurable(arrObj, "1");
 }
 
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-470.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-470.js
index 9105d055e8f46958ca31429c76f2276feeb1f2ae..852fb772930ddef58eb0cd272f7fc08b8659395b 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-470.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-470.js
@@ -32,6 +32,7 @@ assert(obj.hasOwnProperty("prop"));
 var desc = Object.getOwnPropertyDescriptor(obj, "prop");
 
 verifyNotWritable(obj, "prop");
+verifyNotConfigurable(obj, "prop");
 
 assert.sameValue(desc.configurable, false);
 
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-501.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-501.js
index 0e1e1c45651eb79e2018c7e6d194688e155cbe33..b65c6cd59cb9c5525d78b1a33dd7f204fd68eef9 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-501.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-501.js
@@ -38,5 +38,6 @@ assert.sameValue(desc1.configurable, true);
 assert.sameValue(desc2.configurable, false);
 
 verifyNotWritable(obj, "prop");
+verifyNotConfigurable(obj, "prop");
 
 assert(obj.hasOwnProperty("prop"));