diff --git a/build/scripts/common.lua b/build/scripts/common.lua
index b134bf4e3..30272acfd 100644
--- a/build/scripts/common.lua
+++ b/build/scripts/common.lua
@@ -439,6 +439,9 @@ function NazaraBuild:Execute()
 			includedirs(exampleTable.Includes)
 			links(exampleTable.Libraries)
 
+			configuration("Release*")
+				rtti(exampleTable.EnableRTTI and "On" or "Off")
+
 			configuration("x32")
 				libdirs(exampleTable.LibraryPaths.x86)
 
diff --git a/build/scripts/tools/unittests.lua b/build/scripts/tools/unittests.lua
index f58b0eee0..5dcf6e215 100644
--- a/build/scripts/tools/unittests.lua
+++ b/build/scripts/tools/unittests.lua
@@ -2,7 +2,6 @@ TOOL.Name = "UnitTests"
 
 TOOL.Directory = "../tests"
 TOOL.EnableConsole = true
-TOOL.EnableRTTI = true
 TOOL.Kind = "Application"
 TOOL.TargetDirectory = TOOL.Directory
 
diff --git a/tests/SDK/NDK/Component.cpp b/tests/SDK/NDK/Component.cpp
index f00bb9006..c41f541be 100644
--- a/tests/SDK/NDK/Component.cpp
+++ b/tests/SDK/NDK/Component.cpp
@@ -6,6 +6,18 @@ namespace
 	class TestComponent : public Ndk::Component<TestComponent>
 	{
 		public:
+			TestComponent(int value) :
+			m_value(value)
+			{
+			}
+
+			int GetValue() const
+			{
+				return m_value;
+			}
+
+			int m_value;
+
 			static Ndk::ComponentIndex componentIndex;
 	};
 
@@ -16,7 +28,7 @@ SCENARIO("Component", "[NDK][COMPONENT]")
 {
 	GIVEN("Our TestComponent")
 	{
-		TestComponent testComponent;
+		TestComponent testComponent(42);
 
 		WHEN("We clone it")
 		{
@@ -24,7 +36,7 @@ SCENARIO("Component", "[NDK][COMPONENT]")
 
 			THEN("We should get a copy")
 			{
-				REQUIRE(dynamic_cast<TestComponent*>(clone.get()) != nullptr);
+				REQUIRE(static_cast<TestComponent*>(clone.get())->GetValue() == 42);
 			}
 		}
 	}
diff --git a/tests/SDK/NDK/System.cpp b/tests/SDK/NDK/System.cpp
index ca1917124..2948185ae 100644
--- a/tests/SDK/NDK/System.cpp
+++ b/tests/SDK/NDK/System.cpp
@@ -6,15 +6,23 @@ namespace
 	class TestSystem : public Ndk::System<TestSystem>
 	{
 		public:
-			TestSystem()
+			TestSystem(int value) :
+			m_value(value)
 			{
 			}
 
+			int GetValue() const
+			{
+				return m_value;
+			}
+
 			~TestSystem() = default;
 
 			static Ndk::SystemIndex systemIndex;
 
 		private:
+			int m_value;
+
 			void OnUpdate(float elapsedTime) override
 			{
 			}
@@ -27,7 +35,7 @@ SCENARIO("System", "[NDK][SYSTEM]")
 {
 	GIVEN("Our TestSystem")
 	{
-		TestSystem testSystem;
+		TestSystem testSystem(666);
 
 		WHEN("We clone it")
 		{
@@ -35,7 +43,7 @@ SCENARIO("System", "[NDK][SYSTEM]")
 
 			THEN("We should get a copy")
 			{
-				REQUIRE(dynamic_cast<TestSystem*>(clone.get()) != nullptr);
+				REQUIRE(static_cast<TestSystem*>(clone.get())->GetValue() == 42);
 			}
 		}
 	}