diff --git a/libavformat/wtvdec.c b/libavformat/wtvdec.c
index 9cedae1f8e..a7334fc9d4 100644
--- a/libavformat/wtvdec.c
+++ b/libavformat/wtvdec.c
@@ -760,7 +760,7 @@ static int recover(WtvContext *wtv, uint64_t broken_pos)
     int i;
     for (i = 0; i < wtv->nb_index_entries; i++) {
         if (wtv->index_entries[i].pos > broken_pos) {
-            int ret = avio_seek(pb, wtv->index_entries[i].pos, SEEK_SET);
+            int64_t ret = avio_seek(pb, wtv->index_entries[i].pos, SEEK_SET);
             if (ret < 0)
                 return ret;
             wtv->pts = wtv->index_entries[i].timestamp;