diff --git a/tests/CommonLibs/LogTest.cpp b/tests/CommonLibs/LogTest.cpp
index 00870705..973e5b2f 100644
--- a/tests/CommonLibs/LogTest.cpp
+++ b/tests/CommonLibs/LogTest.cpp
@@ -61,6 +61,8 @@ int main(int argc, char *argv[])
 	log_set_use_color(osmo_stderr_target, 0);
 	log_set_print_filename(osmo_stderr_target, 0);
 	log_set_print_level(osmo_stderr_target, 1);
+	log_set_print_category(osmo_stderr_target, 0);
+	log_set_print_category_hex(osmo_stderr_target, 0);
 
 	Log(MYCAT, LOGL_FATAL, __BASE_FILE__, __LINE__).get() << "testing the logger.";
 	Log(MYCAT, LOGL_ERROR, __BASE_FILE__, __LINE__).get() << "testing the logger.";