diff --git a/libavformat/libnut.c b/libavformat/libnut.c
index d4e7201ab9..62c3f2b852 100644
--- a/libavformat/libnut.c
+++ b/libavformat/libnut.c
@@ -48,7 +48,7 @@ static int nut_write_header(AVFormatContext * avf) {
         AVCodecContext * codec = avf->streams[i]->codec;
         int j;
         int fourcc = 0;
-        int nom, denom, ssize;
+        int num, denom, ssize;
 
         s[i].type = codec->codec_type == CODEC_TYPE_VIDEO ? NUT_VIDEO_CLASS : NUT_AUDIO_CLASS;
 
@@ -64,11 +64,11 @@ static int nut_write_header(AVFormatContext * avf) {
         s[i].fourcc = av_malloc(s[i].fourcc_len);
         for (j = 0; j < s[i].fourcc_len; j++) s[i].fourcc[j] = (fourcc >> (j*8)) & 0xFF;
 
-        ff_parse_specific_params(codec, &nom, &ssize, &denom);
-        av_set_pts_info(avf->streams[i], 60, denom, nom);
+        ff_parse_specific_params(codec, &num, &ssize, &denom);
+        av_set_pts_info(avf->streams[i], 60, denom, num);
 
-        s[i].time_base.nom = denom;
-        s[i].time_base.den = nom;
+        s[i].time_base.num = denom;
+        s[i].time_base.den = num;
 
         s[i].fixed_fps = 0;
         s[i].decode_delay = codec->has_b_frames;
@@ -82,7 +82,7 @@ static int nut_write_header(AVFormatContext * avf) {
             s[i].sample_height = 0;
             s[i].colorspace_type = 0;
         } else {
-            s[i].samplerate_nom = codec->sample_rate;
+            s[i].samplerate_num = codec->sample_rate;
             s[i].samplerate_denom = 1;
             s[i].channel_count = codec->channels;
         }
@@ -199,7 +199,7 @@ static int nut_read_header(AVFormatContext * avf, AVFormatParameters * ap) {
             memcpy(st->codec->extradata, s[i].codec_specific, st->codec->extradata_size);
         }
 
-        av_set_pts_info(avf->streams[i], 60, s[i].time_base.nom, s[i].time_base.den);
+        av_set_pts_info(avf->streams[i], 60, s[i].time_base.num, s[i].time_base.den);
         st->start_time = 0;
         st->duration = s[i].max_pts;
 
@@ -211,7 +211,7 @@ static int nut_read_header(AVFormatContext * avf, AVFormatParameters * ap) {
             if (st->codec->codec_id == CODEC_ID_NONE) st->codec->codec_id = codec_get_wav_id(st->codec->codec_tag);
 
             st->codec->channels = s[i].channel_count;
-            st->codec->sample_rate = s[i].samplerate_nom / s[i].samplerate_denom;
+            st->codec->sample_rate = s[i].samplerate_num / s[i].samplerate_denom;
             break;
         case NUT_VIDEO_CLASS:
             st->codec->codec_type = CODEC_TYPE_VIDEO;
@@ -255,7 +255,7 @@ static int nut_read_packet(AVFormatContext * avf, AVPacket * pkt) {
 static int nut_read_seek(AVFormatContext * avf, int stream_index, int64_t target_ts, int flags) {
     NUTContext * priv = avf->priv_data;
     int active_streams[] = { stream_index, -1 };
-    double time_pos = target_ts * priv->s[stream_index].time_base.nom / (double)priv->s[stream_index].time_base.den;
+    double time_pos = target_ts * priv->s[stream_index].time_base.num / (double)priv->s[stream_index].time_base.den;
 
     if (nut_seek(priv->nut, time_pos, 2*!(flags & AVSEEK_FLAG_BACKWARD), active_streams)) return -1;