diff --git a/libavformat/mov.c b/libavformat/mov.c
index c6022d5d3a..d14ae7ee0d 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1503,6 +1503,8 @@ static int mov_read_stss(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 
     av_dlog(c->fc, "keyframe_count = %d\n", entries);
 
+    if (!entries)
+        return 0;
     if (entries >= UINT_MAX / sizeof(int))
         return AVERROR_INVALIDDATA;
     sc->keyframes = av_malloc(entries * sizeof(int));