diff --git a/cores/libretro-video-processor/video_processor_v4l2.c b/cores/libretro-video-processor/video_processor_v4l2.c
index 2699003ff4..5970a9dffc 100644
--- a/cores/libretro-video-processor/video_processor_v4l2.c
+++ b/cores/libretro-video-processor/video_processor_v4l2.c
@@ -291,7 +291,7 @@ RETRO_API void VIDEOPROC_CORE_PREFIX(retro_set_environment)(retro_environment_t
    struct retro_audio_callback audio_cb;
    audio_cb.callback = audio_callback;
    audio_cb.set_state = audio_set_state;
-   VIDEOPROC_CORE_PREFIX(environment_cb)(RETRO_ENVIRONMENT_SET_AUDIO_CALLBACK, NULL);
+   VIDEOPROC_CORE_PREFIX(environment_cb)(RETRO_ENVIRONMENT_SET_AUDIO_CALLBACK, &audio_cb);
 #endif
 
    // Enumerate all real devices