diff --git a/src/occtl-nl.c b/src/occtl-nl.c
index 6fe267ab..3ace041f 100644
--- a/src/occtl-nl.c
+++ b/src/occtl-nl.c
@@ -45,7 +45,7 @@ int if_idx;
 
 	if (sock != NULL)
 		return 0;
-	
+
 	if (nl_failed != 0) /* don't bother re-opening */
 		return -1;
 
@@ -85,7 +85,7 @@ error:
 	if (cache != NULL)
 		nl_cache_free(cache);
 	nl_failed = 1;
-	
+
 	return -1;
 }
 
@@ -130,6 +130,9 @@ void print_iface_stats(const char *iface, time_t since, FILE * out)
 	char buf1[32], buf2[32];
 	time_t diff = time(0) - since;
 
+	if (iface == NULL || iface[0] == 0)
+		return;
+
 	if (open_netlink(iface) < 0)
 		return;
 
@@ -139,7 +142,7 @@ void print_iface_stats(const char *iface, time_t since, FILE * out)
 	bytes2human(rx, buf1, sizeof(buf1), NULL);
 	bytes2human(tx, buf2, sizeof(buf2), NULL);
 	fprintf(out, "\tRX: %"PRIu64" (%s) TX: %"PRIu64" (%s)\n", rx, buf1, tx, buf2);
-	
+
 	value2speed(rx, diff, buf1, sizeof(buf1));
 	value2speed(tx, diff, buf2, sizeof(buf2));
 	fprintf(out, "\tAverage bandwidth RX: %s  TX: %s\n", buf1, buf2);
diff --git a/src/occtl-time.c b/src/occtl-time.c
index 162da5b8..4b8267ef 100644
--- a/src/occtl-time.c
+++ b/src/occtl-time.c
@@ -55,5 +55,5 @@ void print_time_ival7(time_t t, FILE * fout)
 		fprintf(fout, "%2lum:%02us", t / 60, (unsigned)t % 60);
 	else
 	        /* Translation Hint: Seconds:Centiseconds */
-		fprintf(fout, _("%4lus"), t);
+		fprintf(fout, _("%5lus"), t);
 }
diff --git a/src/occtl.c b/src/occtl.c
index 4f910079..e295a25d 100644
--- a/src/occtl.c
+++ b/src/occtl.c
@@ -33,6 +33,7 @@
 
 #define DEFAULT_TIMEOUT (10*1000)
 #define NO_GROUP "(none)"
+#define NO_USER "(none)"
 
 #define ERR_SERVER_UNREACHABLE "could not send message; is server online?\n"
 
@@ -677,7 +678,7 @@ int handle_list_users_cmd(DBusConnection * conn, const char *arg)
 
 		/* add header */
 		if (iteration++ == 0) {
-			fprintf(out, "%6s %8s %8s %14s %14s %6s %7s %14s %9s\n",
+			fprintf(out, "%8s %8s %8s %14s %14s %6s %7s %14s %9s\n",
 				"id", "user", "group", "ip", "vpn-ip", "device",
 				"since", "cipher", "status");
 		}
@@ -689,7 +690,10 @@ int handle_list_users_cmd(DBusConnection * conn, const char *arg)
 		if (groupname == NULL || groupname[0] == 0)
 			groupname = NO_GROUP;
 
-		fprintf(out, "%6u %8s %8s %14s %14s %6s ",
+		if (username == NULL || username[0] == 0)
+			username = NO_USER;
+
+		fprintf(out, "%8u %8s %8s %14s %14s %6s ",
 			(unsigned)id, username, groupname, ip, vpn_ip, device);
 
 		print_time_ival7(t, out);
@@ -865,6 +869,9 @@ int common_info_cmd(DBusMessageIter * args)
 			goto error_parse;
 		dbus_message_iter_get_basic(&subs, &dtls_ciphersuite);
 
+		if (username == NULL || username[0] == 0)
+			username = NO_USER;
+
 		fprintf(out, "\tUsername: %s  ", username);
 
 		if (groupname == NULL || groupname[0] == 0)