diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5a012553..9ac2eb0a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -309,7 +309,8 @@ if(ENABLE_GUI)
                 "${CMAKE_SOURCE_DIR}/extlib/si/siapp.lib")
         endif()
     elseif(APPLE)
-        find_package(OpenGL REQUIRED)
+        set(CMAKE_C_FLAGS   "-framework OpenGL ${CMAKE_C_FLAGS}")
+        set(CMAKE_CXX_FLAGS "-framework OpenGL ${CMAKE_CXX_FLAGS}")
         find_library(APPKIT_LIBRARY AppKit REQUIRED)
     elseif(EMSCRIPTEN)
         # Everything is built in