diff --git a/tests/smpp/smpp_test.c b/tests/smpp/smpp_test.c
index 1abb63b..b7df653 100644
--- a/tests/smpp/smpp_test.c
+++ b/tests/smpp/smpp_test.c
@@ -81,6 +81,8 @@
 	osmo_init_logging2(ctx, &log_info);
 	log_set_use_color(osmo_stderr_target, 0);
 	log_set_print_filename(osmo_stderr_target, 0);
+	log_set_print_category(osmo_stderr_target, 0);
+	log_set_print_category_hex(osmo_stderr_target, 0);
 
 	test_coding_scheme();
 	return EXIT_SUCCESS;