diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c
index 85d1fba6b9..65586cf02a 100644
--- a/libavcodec/libvpxenc.c
+++ b/libavcodec/libvpxenc.c
@@ -427,7 +427,8 @@ static av_cold int vpx_init(AVCodecContext *avctx,
     if (ctx->arnr_type >= 0)
         codecctl_int(avctx, VP8E_SET_ARNR_TYPE,        ctx->arnr_type);
     codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, avctx->noise_reduction);
-    codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS,  av_log2(avctx->slices));
+    if (avctx->codec_id == AV_CODEC_ID_VP8)
+        codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS,  av_log2(avctx->slices));
     codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD,  avctx->mb_threshold);
     codecctl_int(avctx, VP8E_SET_CQ_LEVEL,          ctx->crf);
     if (ctx->max_intra_rate >= 0)