diff --git a/src/isomorphic/classic/element/__tests__/ReactElement-test.js b/src/isomorphic/classic/element/__tests__/ReactElement-test.js
index 877fdb750c..ec545c8e58 100644
--- a/src/isomorphic/classic/element/__tests__/ReactElement-test.js
+++ b/src/isomorphic/classic/element/__tests__/ReactElement-test.js
@@ -53,7 +53,8 @@ describe('ReactElement', function() {
     expect(element.key).toBe(null);
     expect(element.ref).toBe(null);
     var expectation = {};
-    Object.freeze(expectation);
+    expect(Object.isFrozen(element)).toBe(true);
+    expect(Object.isFrozen(element.props)).toBe(true);
     expect(element.props).toEqual(expectation);
   });
 
@@ -121,7 +122,8 @@ describe('ReactElement', function() {
     expect(element.key).toBe(null);
     expect(element.ref).toBe(null);
     var expectation = {};
-    Object.freeze(expectation);
+    expect(Object.isFrozen(element)).toBe(true);
+    expect(Object.isFrozen(element.props)).toBe(true);
     expect(element.props).toEqual(expectation);
   });
 
@@ -166,7 +168,8 @@ describe('ReactElement', function() {
     expect(element.key).toBe('12');
     expect(element.ref).toBe('34');
     var expectation = {foo: '56'};
-    Object.freeze(expectation);
+    expect(Object.isFrozen(element)).toBe(true);
+    expect(Object.isFrozen(element.props)).toBe(true);
     expect(element.props).toEqual(expectation);
   });
 
@@ -180,7 +183,8 @@ describe('ReactElement', function() {
     expect(element.key).toBe('null');
     expect(element.ref).toBe(null);
     var expectation = {foo: '12'};
-    Object.freeze(expectation);
+    expect(Object.isFrozen(element)).toBe(true);
+    expect(Object.isFrozen(element.props)).toBe(true);
     expect(element.props).toEqual(expectation);
   });
 
@@ -195,7 +199,8 @@ describe('ReactElement', function() {
     expect(element.key).toBe(null);
     expect(element.ref).toBe(null);
     var expectation = {foo: '56'};
-    Object.freeze(expectation);
+    expect(Object.isFrozen(element)).toBe(true);
+    expect(Object.isFrozen(element.props)).toBe(true);
     expect(element.props).toEqual(expectation);
   });
 
@@ -215,7 +220,8 @@ describe('ReactElement', function() {
     expect(element.key).toBe('12');
     expect(element.ref).toBe(null);
     var expectation = {foo: '56'};
-    Object.freeze(expectation);
+    expect(Object.isFrozen(element)).toBe(true);
+    expect(Object.isFrozen(element.props)).toBe(true);
     expect(element.props).toEqual(expectation);
   });
 
diff --git a/src/isomorphic/classic/element/__tests__/ReactElementClone-test.js b/src/isomorphic/classic/element/__tests__/ReactElementClone-test.js
index 187ef0bfef..f11798f209 100644
--- a/src/isomorphic/classic/element/__tests__/ReactElementClone-test.js
+++ b/src/isomorphic/classic/element/__tests__/ReactElementClone-test.js
@@ -345,7 +345,8 @@ describe('ReactElementClone', function() {
     expect(clone.key).toBe('12');
     expect(clone.ref).toBe('34');
     var expectation = {foo: 'ef'};
-    Object.freeze(expectation);
+    expect(Object.isFrozen(element)).toBe(true);
+    expect(Object.isFrozen(element.props)).toBe(true);
     expect(clone.props).toEqual(expectation);
   });
 
@@ -365,7 +366,8 @@ describe('ReactElementClone', function() {
     expect(clone.key).toBe('null');
     expect(clone.ref).toBe(null);
     var expectation = {foo: 'ef'};
-    Object.freeze(expectation);
+    expect(Object.isFrozen(element)).toBe(true);
+    expect(Object.isFrozen(element.props)).toBe(true);
     expect(clone.props).toEqual(expectation);
   });