diff --git a/test/readline/test_readline.rb b/test/readline/test_readline.rb
index 7c98314471..a68879222e 100644
--- a/test/readline/test_readline.rb
+++ b/test/readline/test_readline.rb
@@ -539,7 +539,7 @@ module BasetestReadline
           end
         end
       rescue Timeout::Error
-        assert true, "Timed out to handle SIGINT."
+        assert true, "Timed out to handle SIGINT.\nLog: #{log}\n----"
         asserted = true
       end
       [log, Process.wait2(pid)[1]]