diff --git a/tests/msc_vlr/msc_vlr_tests.c b/tests/msc_vlr/msc_vlr_tests.c
index 87d1abd..b311f67 100644
--- a/tests/msc_vlr/msc_vlr_tests.c
+++ b/tests/msc_vlr/msc_vlr_tests.c
@@ -1192,6 +1192,7 @@
 	log_set_print_timestamp(osmo_stderr_target, 0);
 	log_set_print_filename(osmo_stderr_target, 0);
 	log_set_print_category(osmo_stderr_target, 1);
+	log_set_print_category_hex(osmo_stderr_target, 0);
 	log_set_category_filter(osmo_stderr_target, DLSMS, 1, LOGL_DEBUG);
 
 	if (cmdline_opts.verbose) {