diff --git a/TestStack.FluentMVCTesting.Tests/TempDataResultTest.cs b/TestStack.FluentMVCTesting.Tests/TempDataResultTest.cs
index d97f0f9..2e483df 100644
--- a/TestStack.FluentMVCTesting.Tests/TempDataResultTest.cs
+++ b/TestStack.FluentMVCTesting.Tests/TempDataResultTest.cs
@@ -27,7 +27,7 @@ public void Check_for_existent_temp_data_property()
         }
 
         [Test]
-        public void Check_for_non_existent_temp_data_property()
+        public void Check_for_unexpected_non_existent_temp_data_property()
         {
             const string key = "";
 
@@ -119,5 +119,33 @@ public void Check_for_non_existent_temp_data_property_when_supplied_with_predica
             Assert.That(exception.Message, Is.EqualTo(string.Format(
                 "Expected TempData to have a non-null value with key \"{0}\", but none found.", key)));
         }
+
+        [Test]
+        public void Check_for_non_existent_temp_data_property()
+        {
+            _tempDataTest
+                .AndShouldNotHaveTempDataProperty("");
+        }
+
+        [Test]
+        public void Check_for_unexpected_existent_temp_data_property()
+        {
+            const string Key = "";
+            _controller.TempData[Key] = "";
+
+            var exception = Assert.Throws<TempDataAssertionException>(() =>
+                _tempDataTest.AndShouldNotHaveTempDataProperty(Key));
+
+            Assert.That(exception.Message, Is.EqualTo(string.Format(
+                "Expected TempData to have no value with key \"{0}\", but found one.", Key)));
+        }
+
+        [Test]
+        public void Return_the_same_temp_data_result()
+        {
+            var actual = _tempDataTest
+                .AndShouldNotHaveTempDataProperty("");
+            Assert.That(actual, Is.SameAs(_tempDataTest));
+        }
     }
 }
\ No newline at end of file
diff --git a/TestStack.FluentMvcTesting/ControllerExtensions.cs b/TestStack.FluentMvcTesting/ControllerExtensions.cs
index 55835d6..ae430a9 100644
--- a/TestStack.FluentMvcTesting/ControllerExtensions.cs
+++ b/TestStack.FluentMvcTesting/ControllerExtensions.cs
@@ -105,7 +105,7 @@ public static TempDataResultTest ShouldHaveTempDataProperty<TValue>(this Control
             return new TempDataResultTest(controller);
         }
 
-        public static TempDataResultTest ShouldNotHaveTempDataProperty(this Controller controller, string key)
+        public static TempDataResultTest ShouldNotHaveTempDataProperty(this ControllerBase controller, string key)
         {
             var actual = controller.TempData[key];
 
diff --git a/TestStack.FluentMvcTesting/TempDataResultTest.cs b/TestStack.FluentMvcTesting/TempDataResultTest.cs
index 013378b..6e1406f 100644
--- a/TestStack.FluentMvcTesting/TempDataResultTest.cs
+++ b/TestStack.FluentMvcTesting/TempDataResultTest.cs
@@ -23,5 +23,11 @@ public TempDataResultTest AndShouldHaveTempDataProperty<TValue>(string key, Func
             _controller.ShouldHaveTempDataProperty(key, predicate);
             return this;
         }
+
+        public TempDataResultTest AndShouldNotHaveTempDataProperty(string empty)
+        {
+            _controller.ShouldNotHaveTempDataProperty(empty);
+            return this;
+        }
     }
 }
\ No newline at end of file