diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5921bb3a18..d8238a2da8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,6 +6,8 @@ endif()
 
 project(openrct2 CXX)
 
+include(cmake/platform.cmake)
+
 if (NOT MSVC)
     include(FindPkgConfig)
 endif ()