diff --git a/cores/libretro-video-processor/video_processor_v4l2.c b/cores/libretro-video-processor/video_processor_v4l2.c
index 277b6e18bf..52a3eb4c5d 100644
--- a/cores/libretro-video-processor/video_processor_v4l2.c
+++ b/cores/libretro-video-processor/video_processor_v4l2.c
@@ -234,7 +234,7 @@ enumerate_audio_devices(char *buf, size_t buflen)
 
 RETRO_API void VIDEOPROC_CORE_PREFIX(retro_set_environment)(retro_environment_t cb)
 {
-   struct retro_variable envvars[2] = { NULL };
+   struct retro_variable envvars[3] = { NULL };
    char video_devices[ENVVAR_BUFLEN];
    char audio_devices[ENVVAR_BUFLEN];