diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 92b69b48dc..f881df4656 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -1569,11 +1569,13 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
             st->codec->bits_per_coded_sample = descriptor->bits_per_sample;
 
             if (descriptor->sample_rate.den > 0) {
-                avpriv_set_pts_info(st, 64, descriptor->sample_rate.den, descriptor->sample_rate.num);
                 st->codec->sample_rate = descriptor->sample_rate.num / descriptor->sample_rate.den;
+                avpriv_set_pts_info(st, 64, descriptor->sample_rate.den, descriptor->sample_rate.num);
             } else {
-                av_log(mxf->fc, AV_LOG_WARNING, "invalid sample rate (%d/%d) found for stream #%d, time base forced to 1/48000\n",
-                       descriptor->sample_rate.num, descriptor->sample_rate.den, st->index);
+                av_log(mxf->fc, AV_LOG_WARNING,
+                       "invalid sample rate (%d/%d) found for stream #%d, time base forced to 1/48000\n",
+                       descriptor->sample_rate.num, descriptor->sample_rate.den,
+                       st->index);
                 avpriv_set_pts_info(st, 64, 1, 48000);
             }