diff --git a/appl/su/su.c b/appl/su/su.c
index 882ecfaed..902af4b04 100644
--- a/appl/su/su.c
+++ b/appl/su/su.c
@@ -433,8 +433,12 @@ main(int argc, char **argv)
 #endif
     {
 	char *tty = ttyname (STDERR_FILENO);
-	syslog (LOG_NOTICE | LOG_AUTH, tty ? "%s to %s on %s" : "%s to %s",
-		login_info->pw_name, su_info->pw_name, tty);
+	if (tty)
+	    syslog (LOG_NOTICE | LOG_AUTH, "%s to %s on %s",
+		    login_info->pw_name, su_info->pw_name, tty);
+	else
+	    syslog (LOG_NOTICE | LOG_AUTH, "%s to %s",
+		    login_info->pw_name, su_info->pw_name);
     }
 
 
diff --git a/kdc/log.c b/kdc/log.c
index 6d85729f5..6850bedd9 100644
--- a/kdc/log.c
+++ b/kdc/log.c
@@ -53,7 +53,7 @@ kdc_openlog(krb5_context context,
 	char *ss;
 	if (asprintf(&ss, "0-1/FILE:%s/%s", hdb_db_dir(context),
 	    KDC_LOG_FILE) < 0)
-	    err(1, NULL);
+	    err(1, "out of memory");
 	krb5_addlog_dest(context, config->logf, ss);
 	free(ss);
     }