diff --git a/libavcodec/avs.c b/libavcodec/avs.c
index c4eaf2057b..976d325f2c 100644
--- a/libavcodec/avs.c
+++ b/libavcodec/avs.c
@@ -165,9 +165,8 @@ static av_cold int avs_decode_init(AVCodecContext * avctx)
         return AVERROR(ENOMEM);
 
     avctx->pix_fmt = AV_PIX_FMT_PAL8;
-    ff_set_dimensions(avctx, 318, 198);
 
-    return 0;
+    return ff_set_dimensions(avctx, 318, 198);
 }
 
 static av_cold int avs_decode_end(AVCodecContext *avctx)