diff --git a/test/built-ins/Proxy/getOwnPropertyDescriptor/call-parameters.js b/test/built-ins/Proxy/getOwnPropertyDescriptor/call-parameters.js
index a0df1c3ff0..7e0a51db37 100644
--- a/test/built-ins/Proxy/getOwnPropertyDescriptor/call-parameters.js
+++ b/test/built-ins/Proxy/getOwnPropertyDescriptor/call-parameters.js
@@ -23,7 +23,7 @@ var handler = {
     _handler = this;
     _prop = prop;
 
-    return Object.getOwnPropertyDescriptor(t);
+    return Object.getOwnPropertyDescriptor(t, prop);
   }
 };
 var p = new Proxy(target, handler);
diff --git a/test/built-ins/Proxy/getOwnPropertyDescriptor/result-type-is-not-object-nor-undefined.js b/test/built-ins/Proxy/getOwnPropertyDescriptor/result-type-is-not-object-nor-undefined.js
index e7d3c63847..0e49373584 100644
--- a/test/built-ins/Proxy/getOwnPropertyDescriptor/result-type-is-not-object-nor-undefined.js
+++ b/test/built-ins/Proxy/getOwnPropertyDescriptor/result-type-is-not-object-nor-undefined.js
@@ -18,8 +18,7 @@ var target = {
   number: 1,
   symbol: Symbol(),
   string: '',
-  boolean: true,
-  fn: function() {}
+  boolean: true
 };
 var p = new Proxy(target, {
   getOwnPropertyDescriptor: function(t, prop) {
@@ -42,7 +41,3 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   Object.getOwnPropertyDescriptor(p, "boolean");
 });
-
-assert.throws(TypeError, function() {
-  Object.getOwnPropertyDescriptor(p, "fn");
-});