diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
index 8e44f143b..a43fdfba3 100644
--- a/src/hb-ot-hmtx-table.hh
+++ b/src/hb-ot-hmtx-table.hh
@@ -359,7 +359,13 @@ struct hmtxvmtx
 	return true;
       }
 
-      return _glyf_get_leading_bearing_with_var_unscaled (font, glyph, T::tableTag == HB_OT_TAG_vmtx, lsb);
+      // If there's no vmtx data, the phantom points from glyf table are not accurate,
+      // so we cannot take the next path.
+      bool is_vertical = T::tableTag == HB_OT_TAG_vmtx;
+      if (is_vertical && !has_data ())
+        return false;
+
+      return _glyf_get_leading_bearing_with_var_unscaled (font, glyph, is_vertical, lsb);
 #else
       return false;
 #endif