diff --git a/fftools/ffprobe.c b/fftools/ffprobe.c
index d7ba980ff9..b69a75ff9a 100644
--- a/fftools/ffprobe.c
+++ b/fftools/ffprobe.c
@@ -2548,7 +2548,7 @@ static void print_pkt_side_data(WriterContext *w,
             print_str("primary_eye", av_stereo3d_primary_eye_name(stereo->primary_eye));
             print_int("baseline", stereo->baseline);
             print_q("horizontal_disparity_adjustment", stereo->horizontal_disparity_adjustment, '/');
-            print_int("horizontal_field_of_view", stereo->horizontal_field_of_view);
+            print_q("horizontal_field_of_view", stereo->horizontal_field_of_view, '/');
         } else if (sd->type == AV_PKT_DATA_SPHERICAL) {
             const AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;
             print_str("projection", av_spherical_projection_name(spherical->projection));
diff --git a/libavformat/dump.c b/libavformat/dump.c
index 61a2c6a29f..b71b5356dc 100644
--- a/libavformat/dump.c
+++ b/libavformat/dump.c
@@ -267,8 +267,9 @@ static void dump_stereo3d(void *ctx, const AVPacketSideData *sd, int log_level)
     if (stereo->horizontal_disparity_adjustment.num && stereo->horizontal_disparity_adjustment.den)
         av_log(ctx, log_level, ", horizontal_disparity_adjustment: %d/%d",
                stereo->horizontal_disparity_adjustment.num, stereo->horizontal_disparity_adjustment.den);
-    if (stereo->horizontal_field_of_view)
-        av_log(ctx, log_level, ", horizontal_field_of_view: %"PRIu32"", stereo->horizontal_field_of_view);
+    if (stereo->horizontal_field_of_view.num && stereo->horizontal_field_of_view.den)
+        av_log(ctx, log_level, ", horizontal_field_of_view: %d/%d", stereo->horizontal_field_of_view.num,
+               stereo->horizontal_field_of_view.den);
 
     if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
         av_log(ctx, log_level, " (inverted)");
diff --git a/libavformat/mov.c b/libavformat/mov.c
index f08fec3fb6..fe8a963c6e 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -6782,7 +6782,8 @@ static int mov_read_hfov(MOVContext *c, AVIOContext *pb, MOVAtom atom)
             return AVERROR(ENOMEM);
     }
 
-    sc->stereo3d->horizontal_field_of_view = avio_rb32(pb);
+    sc->stereo3d->horizontal_field_of_view.num = avio_rb32(pb);
+    sc->stereo3d->horizontal_field_of_view.den = 1000; // thousands of a degree
 
     return 0;
 }
diff --git a/libavutil/stereo3d.c b/libavutil/stereo3d.c
index 19e81e4124..ad6064e5d9 100644
--- a/libavutil/stereo3d.c
+++ b/libavutil/stereo3d.c
@@ -29,6 +29,7 @@
 static void get_defaults(AVStereo3D *stereo)
 {
     stereo->horizontal_disparity_adjustment = (AVRational) { 0, 1 };
+    stereo->horizontal_field_of_view = (AVRational) { 0, 1 };
 }
 
 AVStereo3D *av_stereo3d_alloc(void)
diff --git a/libavutil/stereo3d.h b/libavutil/stereo3d.h
index 00a5c3900e..d8b191118c 100644
--- a/libavutil/stereo3d.h
+++ b/libavutil/stereo3d.h
@@ -224,9 +224,9 @@ typedef struct AVStereo3D {
     AVRational horizontal_disparity_adjustment;
 
     /**
-     * Horizontal field of view in thousanths of a degree. Zero if unset.
+     * Horizontal field of view, in degrees. Zero if unset.
      */
-    uint32_t horizontal_field_of_view;
+    AVRational horizontal_field_of_view;
 } AVStereo3D;
 
 /**
diff --git a/tests/ref/fate/matroska-spherical-mono b/tests/ref/fate/matroska-spherical-mono
index b108596350..8b011e332f 100644
--- a/tests/ref/fate/matroska-spherical-mono
+++ b/tests/ref/fate/matroska-spherical-mono
@@ -7,7 +7,7 @@ view=packed
 primary_eye=none
 baseline=0
 horizontal_disparity_adjustment=0/1
-horizontal_field_of_view=0
+horizontal_field_of_view=0/0
 [/SIDE_DATA]
 [SIDE_DATA]
 side_data_type=Spherical Mapping
diff --git a/tests/ref/fate/matroska-spherical-mono-remux b/tests/ref/fate/matroska-spherical-mono-remux
index eec41b77f3..31dbf6cdd8 100644
--- a/tests/ref/fate/matroska-spherical-mono-remux
+++ b/tests/ref/fate/matroska-spherical-mono-remux
@@ -31,7 +31,7 @@ view=packed
 primary_eye=none
 baseline=0
 horizontal_disparity_adjustment=0/1
-horizontal_field_of_view=0
+horizontal_field_of_view=0/0
 [/SIDE_DATA]
 [SIDE_DATA]
 side_data_type=Spherical Mapping
@@ -60,7 +60,7 @@ view=packed
 primary_eye=none
 baseline=0
 horizontal_disparity_adjustment=0/1
-horizontal_field_of_view=0
+horizontal_field_of_view=0/0
 [/SIDE_DATA]
 [SIDE_DATA]
 side_data_type=Spherical Mapping
diff --git a/tests/ref/fate/matroska-stereo_mode b/tests/ref/fate/matroska-stereo_mode
index 26c325b20e..656a712e89 100644
--- a/tests/ref/fate/matroska-stereo_mode
+++ b/tests/ref/fate/matroska-stereo_mode
@@ -136,7 +136,7 @@ view=packed
 primary_eye=none
 baseline=0
 horizontal_disparity_adjustment=0/1
-horizontal_field_of_view=0
+horizontal_field_of_view=0/0
 [/SIDE_DATA]
 [/STREAM]
 [STREAM]
@@ -156,7 +156,7 @@ view=packed
 primary_eye=none
 baseline=0
 horizontal_disparity_adjustment=0/1
-horizontal_field_of_view=0
+horizontal_field_of_view=0/0
 [/SIDE_DATA]
 [/STREAM]
 [STREAM]
@@ -174,7 +174,7 @@ view=packed
 primary_eye=none
 baseline=0
 horizontal_disparity_adjustment=0/1
-horizontal_field_of_view=0
+horizontal_field_of_view=0/0
 [/SIDE_DATA]
 [/STREAM]
 [STREAM]
@@ -193,7 +193,7 @@ view=packed
 primary_eye=none
 baseline=0
 horizontal_disparity_adjustment=0/1
-horizontal_field_of_view=0
+horizontal_field_of_view=0/0
 [/SIDE_DATA]
 [/STREAM]
 [STREAM]
diff --git a/tests/ref/fate/matroska-vp8-alpha-remux b/tests/ref/fate/matroska-vp8-alpha-remux
index 06bcc4b4ba..bfc25fea7a 100644
--- a/tests/ref/fate/matroska-vp8-alpha-remux
+++ b/tests/ref/fate/matroska-vp8-alpha-remux
@@ -39,6 +39,6 @@ view=packed
 primary_eye=none
 baseline=0
 horizontal_disparity_adjustment=0/1
-horizontal_field_of_view=0
+horizontal_field_of_view=0/0
 [/SIDE_DATA]
 [/STREAM]
diff --git a/tests/ref/fate/mov-spherical-mono b/tests/ref/fate/mov-spherical-mono
index b108596350..065b109a41 100644
--- a/tests/ref/fate/mov-spherical-mono
+++ b/tests/ref/fate/mov-spherical-mono
@@ -7,7 +7,7 @@ view=packed
 primary_eye=none
 baseline=0
 horizontal_disparity_adjustment=0/1
-horizontal_field_of_view=0
+horizontal_field_of_view=0/1
 [/SIDE_DATA]
 [SIDE_DATA]
 side_data_type=Spherical Mapping
