diff --git a/libavcodec/clearvideo.c b/libavcodec/clearvideo.c
index 82df8f3752..26cdfb2731 100644
--- a/libavcodec/clearvideo.c
+++ b/libavcodec/clearvideo.c
@@ -665,7 +665,7 @@ static av_cold int clv_decode_init(AVCodecContext *avctx)
     }
 
     c->tile_shift = av_log2(c->tile_size);
-    if (1 << c->tile_shift != c->tile_size) {
+    if (1U << c->tile_shift != c->tile_size) {
         av_log(avctx, AV_LOG_ERROR, "Tile size: %d, is not power of 2.\n", c->tile_size);
         return AVERROR_INVALIDDATA;
     }