diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 01053ab73..d677a678c 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -2116,7 +2116,7 @@ hb_ot_layout_get_baseline_with_fallback (hb_font_t                   *font,
       else
       {
         hb_position_t x_height = 0;
-        hb_ot_metrics_get_position (font, HB_OT_METRICS_TAG_X_HEIGHT, &x_height);
+        hb_ot_metrics_get_position_with_fallback (font, HB_OT_METRICS_TAG_X_HEIGHT, &x_height);
         *coord = x_height / 2;
       }
     }