diff --git a/test/reline/yamatanooroti/test_rendering.rb b/test/reline/yamatanooroti/test_rendering.rb
index 5b0f66804c..1737b2ce04 100644
--- a/test/reline/yamatanooroti/test_rendering.rb
+++ b/test/reline/yamatanooroti/test_rendering.rb
@@ -1256,11 +1256,9 @@ def test_dialog_with_fullwidth_chars
         start_terminal(20, 5, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --dialog fullwidth,scrollkey,scrollbar}, startup_message: 'Multiline REPL.', codepage: 932)
         omit "codepage 932 not supported" if !codepage_success?
       end
+      write("\C-l")
       6.times{ write('j') }
       assert_screen(<<~'EOC')
-        Multi
-        line
-        REPL.
         >
         オー
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