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diff --git a/lib/libpam/modules/pam_login_access/pam_login_access.c b/lib/libpam/modules/pam_login_access/pam_login_access.c
index 945d5eb..b365aee 100644
--- a/lib/libpam/modules/pam_login_access/pam_login_access.c
+++ b/lib/libpam/modules/pam_login_access/pam_login_access.c
@@ -79,20 +79,23 @@ pam_sm_acct_mgmt(pam_handle_t *pamh, int flags __unused,
 
 	gethostname(hostname, sizeof hostname);
 
-	if (rhost == NULL || *(const char *)rhost == '\0') {
+	if (tty != NULL && *(const char *)tty != '\0') {
 		PAM_LOG("Checking login.access for user %s on tty %s",
 		    (const char *)user, (const char *)tty);
 		if (login_access(user, tty) != 0)
 			return (PAM_SUCCESS);
 		PAM_VERBOSE_ERROR("%s is not allowed to log in on %s",
 		    user, tty);
-	} else {
+	} else if (rhost != NULL && *(const char *)rhost != '\0') {
 		PAM_LOG("Checking login.access for user %s from host %s",
 		    (const char *)user, (const char *)rhost);
 		if (login_access(user, rhost) != 0)
 			return (PAM_SUCCESS);
 		PAM_VERBOSE_ERROR("%s is not allowed to log in from %s",
 		    user, rhost);
+	} else {
+		PAM_VERBOSE_ERROR("neither host nor tty is set");
+		return (PAM_SUCCESS);
 	}
 
 	return (PAM_AUTH_ERR);