diff --git a/sub/ass_mp.c b/sub/ass_mp.c
index 202664578b..e2729df8ca 100644
--- a/sub/ass_mp.c
+++ b/sub/ass_mp.c
@@ -232,6 +232,9 @@ void mp_ass_configure(ASS_Renderer *priv, struct MPOpts *opts,
     ass_set_frame_size(priv, dim->w, dim->h);
     ass_set_margins(priv, dim->mt, dim->mb, dim->ml, dim->mr);
     ass_set_use_margins(priv, opts->ass_use_margins);
+#if LIBASS_VERSION >= 0x01010000
+    ass_set_line_position(priv, 100 - sub_pos);
+#endif
     ass_set_font_scale(priv, opts->ass_font_scale);
     if (!unscaled && (opts->ass_hinting & 4))
         hinting = 0;
diff --git a/sub/osd_libass.c b/sub/osd_libass.c
index e770215ce6..9b0bbb01ab 100644
--- a/sub/osd_libass.c
+++ b/sub/osd_libass.c
@@ -345,8 +345,10 @@ void vo_update_text_sub(struct osd_state *osd, mp_osd_obj_t* obj)
 
     ASS_Style *style = obj->osd_track->styles + obj->osd_track->default_style;
 
-    style->MarginV = obj->osd_track->PlayResY * ((100 - sub_pos)/110.0);
     update_font_scale(obj->osd_track, style, text_font_scale_factor);
+#if LIBASS_VERSION >= 0x01010000
+    ass_set_line_position(osd->osd_render, 100 - sub_pos);
+#endif
 
     char *text = talloc_strdup(NULL, "");