diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1ecf4a52..9e46cb10 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -182,8 +182,8 @@ jobs:
               -DCMAKE_TOOLCHAIN_FILE=$(pwd)/$BUILD_DIR/generators/conan_toolchain.cmake \
               -DCMAKE_POLICY_DEFAULT_CMP0091=NEW \
               -DCMAKE_BUILD_TYPE=Release \
-              -DBUILD_EXAMPLE_PLUGINS=TRUE
-              -DOFX_SUPPORTS_OPENGLRENDER=TRUE
+              -DBUILD_EXAMPLE_PLUGINS=TRUE \
+              -DOFX_SUPPORTS_OPENGLRENDER=TRUE \
               -DOFX_SUPPORTS_CUDARENDER=$CUDA
           fi
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 12bc5664..26975ab6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,8 +1,8 @@
 cmake_minimum_required(VERSION 3.16.0)
-if(APPLE)
-  project(openfx VERSION 1.4.0 LANGUAGES CXX) # no CUDA
-else()
+if(OFX_SUPPORTS_CUDARENDER AND NOT APPLE)
   project(openfx VERSION 1.4.0 LANGUAGES CXX CUDA)
+else()
+  project(openfx VERSION 1.4.0 LANGUAGES CXX) # no CUDA
 endif()
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 set(CMAKE_CXX_STANDARD 14)
diff --git a/Examples/GPUGain/GPUGain.cpp b/Examples/GPUGain/GPUGain.cpp
index 8e60ce67..f907e4a7 100644
--- a/Examples/GPUGain/GPUGain.cpp
+++ b/Examples/GPUGain/GPUGain.cpp
@@ -46,13 +46,13 @@ GainExample::GainExample(OFX::ImageEffect& p_Instance)
 {
 }
 
-#ifndef __APPLE__
+#ifdef OFX_SUPPORTS_CUDARENDER
 extern void RunCudaKernel(void* p_Stream, int p_Width, int p_Height, float* p_Gain, const float* p_Input, float* p_Output);
 #endif
 
 void GainExample::processImagesCUDA()
 {
-#ifndef __APPLE__
+#ifdef OFX_SUPPORTS_CUDARENDER
     const OfxRectI& bounds = _srcImg->getBounds();
     const int width = bounds.x2 - bounds.x1;
     const int height = bounds.y2 - bounds.y1;