diff --git a/DOCS/interface-changes/osd-bar-marker.txt b/DOCS/interface-changes/osd-bar-marker.txt
new file mode 100644
index 0000000000..949e61a03f
--- /dev/null
+++ b/DOCS/interface-changes/osd-bar-marker.txt
@@ -0,0 +1 @@
+add `--osd-bar-marker-scale` and `--osd-bar-marker-min-size` options
diff --git a/DOCS/man/options.rst b/DOCS/man/options.rst
index add7073517..e8638b6d25 100644
--- a/DOCS/man/options.rst
+++ b/DOCS/man/options.rst
@@ -4512,6 +4512,16 @@ OSD
 
     Default: 0.5.
 
+``--osd-bar-marker-scale=<0-100>``
+    Factor for the OSD bar marker size relative to the OSD bar outline size.
+
+    Default: 1.3.
+
+``--osd-bar-marker-min-size=<size>``
+    Minimum OSD bar marker size.
+
+    Default: 1.6.
+
 ``--osd-blur=<0..20.0>``
     Gaussian blur factor applied to the OSD font border.
     0 means no blur applied (default).
diff --git a/options/options.c b/options/options.c
index 3b10a45327..4b6d18ae86 100644
--- a/options/options.c
+++ b/options/options.c
@@ -415,6 +415,8 @@ const struct m_sub_options mp_osd_render_sub_opts = {
         {"osd-bar-h", OPT_FLOAT(osd_bar_h), M_RANGE(0.1, 50)},
         {"osd-bar-outline-size", OPT_FLOAT(osd_bar_outline_size), M_RANGE(0, 1000.0)},
         {"osd-bar-border-size", OPT_ALIAS("osd-bar-outline-size")},
+        {"osd-bar-marker-scale", OPT_FLOAT(osd_bar_marker_scale), M_RANGE(0, 100.0)},
+        {"osd-bar-marker-min-size", OPT_FLOAT(osd_bar_marker_min_size), M_RANGE(0, 1000.0)},
         {"osd", OPT_SUBSTRUCT(osd_style, osd_style_conf)},
         {"osd-scale", OPT_FLOAT(osd_scale), M_RANGE(0, 100)},
         {"osd-scale-by-window", OPT_BOOL(osd_scale_by_window)},
@@ -427,6 +429,8 @@ const struct m_sub_options mp_osd_render_sub_opts = {
         .osd_bar_w = 75.0,
         .osd_bar_h = 3.125,
         .osd_bar_outline_size = 0.5,
+        .osd_bar_marker_scale = 1.3,
+        .osd_bar_marker_min_size = 1.6,
         .osd_scale = 1,
         .osd_scale_by_window = true,
     },
diff --git a/options/options.h b/options/options.h
index 9bed9ca291..42dd6d484a 100644
--- a/options/options.h
+++ b/options/options.h
@@ -150,6 +150,8 @@ struct mp_osd_render_opts {
     float osd_bar_w;
     float osd_bar_h;
     float osd_bar_outline_size;
+    float osd_bar_marker_scale;
+    float osd_bar_marker_min_size;
     float osd_scale;
     bool osd_scale_by_window;
     struct osd_style_opts *osd_style;
diff --git a/sub/osd_libass.c b/sub/osd_libass.c
index 9914fe743d..95955ecd57 100644
--- a/sub/osd_libass.c
+++ b/sub/osd_libass.c
@@ -471,7 +471,8 @@ static void update_progbar(struct osd_state *osd, struct osd_object *obj)
     // chapter marks
     for (int n = 0; n < obj->progbar_state.num_stops; n++) {
         float s = obj->progbar_state.stops[n] * width;
-        float size = MPMAX(border * 1.3, 1.6);
+        float size = MPMAX(border * osd->opts->osd_bar_marker_scale,
+                           osd->opts->osd_bar_marker_min_size);
 
         if (s > size && s < width - size) {
             ass_draw_move_to(d, s + size, 0);