diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6c86cd8..88eb6e7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -98,7 +98,7 @@ jobs:
           -G Ninja
       - run: cmake --build ./build
       - run: cmake --install build/ --prefix build/install
-      - run: ctest --output-on-failure -D CMAKE_CXX_COMPILER=${{ matrix.compiler }}
+      - run: CXX=${{ matrix.compiler }} ctest --output-on-failure
         working-directory: build
 
   cmake-windows-modules:
diff --git a/tests/vk_hpp_module.cpp b/tests/vk_hpp_module.cpp
index 7ea6049..299cfc0 100644
--- a/tests/vk_hpp_module.cpp
+++ b/tests/vk_hpp_module.cpp
@@ -6,8 +6,12 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 import vulkan_hpp;
+#include <string>
 
-int header_version()
+int test_instance()
 {
-    return VK_HEADER_VERSION;
+    vk::InstanceCreateInfo instanceCreateInfo({}, nullptr);
+    vk::Instance instance = vk::createInstance(instanceCreateInfo);
+    instance.destroy();
+    return 0;
 }
\ No newline at end of file