diff --git a/video/out/opengl/cuda_dynamic.h b/video/out/opengl/cuda_dynamic.h
index d906b6787f..bdac626be5 100644
--- a/video/out/opengl/cuda_dynamic.h
+++ b/video/out/opengl/cuda_dynamic.h
@@ -19,7 +19,7 @@
  * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#if !defined(MPV_CUDA_DYNAMIC_H) && !defined(CUDA_VERSION)
+#ifndef MPV_CUDA_DYNAMIC_H
 #define MPV_CUDA_DYNAMIC_H
 
 #include <stdbool.h>
diff --git a/waftools/fragments/cuda.c b/waftools/fragments/cuda.c
new file mode 100644
index 0000000000..c63ec2945d
--- /dev/null
+++ b/waftools/fragments/cuda.c
@@ -0,0 +1,12 @@
+#define CUDA_VERSION 7050
+
+typedef void * CUcontext;
+
+#include <libavutil/hwcontext.h>
+#include <libavutil/hwcontext_cuda.h>
+
+int main(int argc, char *argv[]) {
+    enum AVHWDeviceType type = AV_HWDEVICE_TYPE_CUDA;
+    AVCUDADeviceContextInternal *foo;
+    return 0;
+}
diff --git a/wscript b/wscript
index 056ac1048d..2fe82e1afc 100644
--- a/wscript
+++ b/wscript
@@ -922,9 +922,8 @@ hwaccel_features = [
     }, {
         'name': '--cuda-hwaccel',
         'desc': 'CUDA hwaccel',
-        'func': check_statement('libavutil/hwcontext_cuda.h',
-                                'AVCUDADeviceContextInternal* foo',
-                                use='libav'),
+        'func': check_cc(fragment=load_fragment('cuda.c'),
+                         use='libav'),
     }, {
         'name': 'sse4-intrinsics',
         'desc': 'GCC SSE4 intrinsics for GPU memcpy',