diff --git a/libavcodec/vdpau_internal.h b/libavcodec/vdpau_internal.h
index 604298c877..a7319ed77e 100644
--- a/libavcodec/vdpau_internal.h
+++ b/libavcodec/vdpau_internal.h
@@ -75,6 +75,8 @@ struct vdpau_picture_context {
      */
     VdpBitstreamBuffer *bitstream_buffers;
 };
+#else
+struct vdpau_picture_context;
 #endif
 
 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic,