diff --git a/third_party/txt/src/txt/paragraph.cc b/third_party/txt/src/txt/paragraph.cc
index f0b733df588f3..5a4f7a80c87d9 100644
--- a/third_party/txt/src/txt/paragraph.cc
+++ b/third_party/txt/src/txt/paragraph.cc
@@ -434,6 +434,7 @@ void Paragraph::Layout(double width, bool force) {
 
   records_.clear();
   line_heights_.clear();
+  line_baselines_.clear();
   glyph_lines_.clear();
   code_unit_runs_.clear();