diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 34fcecd..34ec3f8 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -171,7 +171,7 @@ if(D3D12MA_AGILITY_SDK_DIRECTORY)
         if(D3D12MA_AGILITY_SDK_PREVIEW)
             target_compile_definitions(D3D12MemoryAllocator PRIVATE D3D12MA_USE_AGILITY_SDK_PREVIEW=1)
         endif()
-        if(${D3D12MA_BUILD_SAMPLE} AND ${WIN32})
+        if(D3D12MA_BUILD_SAMPLE AND WIN32)
             target_compile_definitions(D3D12Sample PRIVATE D3D12MA_USE_AGILITY_SDK=1)
             target_include_directories(D3D12Sample BEFORE PRIVATE "${D3D12MA_AGILITY_SDK_DIRECTORY}/build/native/include")
             if(D3D12MA_AGILITY_SDK_PREVIEW)