diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3dcc235..3915218 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -746,6 +746,12 @@ if (HAS_KITCHENSINK)
     set (SDL_kitchensink_DEPENDS ${SDL_kitchensink_DEPENDS} SDL2_Project)
   endif ()
 
+  if (BUILD_DARWIN AND OLD_SDK)
+    set (KITCHENSINK_FLAGS "-isysroot ${CMAKE_OSX_SYSROOT} -mmacosx-version-min=${OSX_SDK_VERSION}")
+    set (KITCHENSINK_CMAKE "-DOSX_SDK_VERSION=${OSX_SDK_VERSION} -DCMAKE_OSX_SYSROOT=${CMAKE_OSX_SYSROOT} -DCMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET}")
+    set (CMAKE_C_FLAGS "${KITCHENSINK_FLAGS} ${CMAKE_C_FLAGS}")
+  endif ()
+
   ExternalProject_Add (SDL_kitchensink_Project
     URL ${CMAKE_SOURCE_DIR}/SDL_kitchensink
     DOWNLOAD_COMMAND ""
@@ -754,7 +760,8 @@ if (HAS_KITCHENSINK)
     CMAKE_COMMAND ${CMD} cmake
     CMAKE_ARGS -DDISABLE_SHARED=true
                -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
-               -DCMAKE_C_FLAGS=${EMSCRIPTEN_FLAGS}
+               -DCMAKE_C_FLAGS=${CMAKE_C_FLAGS}
+               ${KITCHENSINK_CMAKE}
     INSTALL_DIR ${CMAKE_BINARY_DIR}
     BUILD_ALWAYS 1
     DEPENDS ${SDL_kitchensink_DEPENDS}