diff --git a/libavformat/mov.c b/libavformat/mov.c
index 9fdeef057e..192e460038 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1521,6 +1521,10 @@ static void mov_metadata_creation_time(MOVContext *c, AVIOContext *pb, AVDiction
     if (version == 1) {
         time = avio_rb64(pb);
         avio_rb64(pb);
+        if (time < 0) {
+            av_log(c->fc, AV_LOG_DEBUG, "creation_time is negative\n");
+            return;
+        }
     } else {
         time = avio_rb32(pb);
         avio_rb32(pb); /* modification time */