diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4de36572..1cf10d0f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -130,7 +130,7 @@ else()
     set(${PROJECT}_C_CXX_EXTENSIONS OFF)
 endif()
 
-if(NOT (WINDOWS OR APPLE OR NINTENDO_SWITCH))
+if(NOT (WIN32 OR APPLE OR NINTENDO_SWITCH))
     find_package(X11 REQUIRED)
     target_link_libraries(${EXECUTABLE} PRIVATE X11::X11)
 endif()