diff --git a/libavcodec/h264_parser.c b/libavcodec/h264_parser.c
index a217a0dfe4..607eb55027 100644
--- a/libavcodec/h264_parser.c
+++ b/libavcodec/h264_parser.c
@@ -652,8 +652,12 @@ static int h264_parse(AVCodecParserContext *s,
                 s->dts = av_sat_add64(p->reference_dts, av_rescale(s->dts_ref_dts_delta, num, den));
             }
 
-            if (p->reference_dts != AV_NOPTS_VALUE && s->pts == AV_NOPTS_VALUE)
-                s->pts = s->dts + av_rescale(s->pts_dts_delta, num, den);
+            if (p->reference_dts != AV_NOPTS_VALUE && s->pts == AV_NOPTS_VALUE) {
+                int64_t pts_dts_delta = av_rescale(s->pts_dts_delta, num, den);
+                uint64_t pts = (uint64_t)s->dts + pts_dts_delta;
+                if (pts == av_sat_add64(s->dts, pts_dts_delta))
+                    s->pts = pts;
+            }
 
             if (s->dts_sync_point > 0)
                 p->reference_dts = s->dts; // new reference