diff --git a/unit/test-eapol.c b/unit/test-eapol.c
index f7099e6d..496dfee5 100644
--- a/unit/test-eapol.c
+++ b/unit/test-eapol.c
@@ -3174,7 +3174,9 @@ static void eapol_sm_test_eap_tls_embedded(const void *data)
 	struct l_settings *config;
 
 	config = l_settings_new();
-	l_settings_load_from_file(config, CERTDIR "tls-settings.8021x");
+	assert(config);
+
+	assert(l_settings_load_from_file(config, CERTDIR "tls-settings.8021x"));
 
 	s.app_data_cb = eapol_sm_test_tls_new_data;
 	s.ready_cb = eapol_sm_test_tls_test_ready;