diff --git a/test_rclcpp/test/expected_outputs/test_sigint_handler_before_shutdown__expected_output.txt b/test_rclcpp/test/expected_outputs/test_sigint_handler_before_shutdown__expected_output.txt
index 1a0fa7e2..d08d4399 100644
--- a/test_rclcpp/test/expected_outputs/test_sigint_handler_before_shutdown__expected_output.txt
+++ b/test_rclcpp/test/expected_outputs/test_sigint_handler_before_shutdown__expected_output.txt
@@ -1,7 +1,7 @@
 [INFO] [test_signal_handler]: Registered custom signal handler.
 [INFO] [test_signal_handler]: Called rclcpp::init.
 [INFO] [test_signal_handler]: Waiting to give an opportunity for interrupt...
-[INFO] [rclcpp]: signal_handler(signum=2)
+[INFO] [rclcpp]: signal_handler(SIGINT/SIGTERM)
 [INFO] [test_signal_handler]: Custom sigint handler called.
 [INFO] [test_signal_handler]: Calling rclcpp::shutdown...
 [INFO] [test_signal_handler]: Called rclcpp::shutdown.
diff --git a/test_rclcpp/test/expected_outputs/test_sigterm_handler_before_shutdown__expected_output.txt b/test_rclcpp/test/expected_outputs/test_sigterm_handler_before_shutdown__expected_output.txt
index b954a973..c296e562 100644
--- a/test_rclcpp/test/expected_outputs/test_sigterm_handler_before_shutdown__expected_output.txt
+++ b/test_rclcpp/test/expected_outputs/test_sigterm_handler_before_shutdown__expected_output.txt
@@ -1,7 +1,7 @@
 [INFO] [test_sigterm_handler]: Registered custom signal handler.
 [INFO] [test_sigterm_handler]: Called rclcpp::init.
 [INFO] [test_sigterm_handler]: Waiting to give an opportunity for interrupt...
-[INFO] [rclcpp]: signal_handler(signum=15)
+[INFO] [rclcpp]: signal_handler(SIGINT/SIGTERM)
 [INFO] [test_sigterm_handler]: Custom sigterm handler called.
 [INFO] [test_sigterm_handler]: Calling rclcpp::shutdown...
 [INFO] [test_sigterm_handler]: Called rclcpp::shutdown.