diff --git a/src/irc.c b/src/irc.c
index 7d5c04f..806d619 100644
--- a/src/irc.c
+++ b/src/irc.c
@@ -138,6 +138,9 @@ list_t *channel_name_list(struct channel *c)
 		if (n->ovmask & NICKOP) {
 			strncat(str, "@", NAMESIZE);
 			len++;
+		} else if (n->ovmask & NICKHALFOP) {
+			strncat(str, "%", NAMESIZE);
+			len++;
 		} else if (n->ovmask & NICKVOICED) {
 			strncat(str, "+", NAMESIZE);
 			len++;
@@ -1359,7 +1362,10 @@ static int irc_353(struct link_server *server, struct line *line)
 				names++;
 				ovmask |= NICKVOICED;
 				break;
-			case '%': /* unrealircd: halfop */
+			case '%': /* unrealircd and others: halfop */
+				names++;
+				ovmask |= NICKHALFOP;
+				break;
 			case '&': /* unrealircd: protect */
 			case '~': /* unrealircd: owner */
 				names++;
@@ -1611,6 +1617,20 @@ static int irc_mode(struct link_server *server, struct line *line)
 				nick->ovmask &= ~NICKOP;
 			cur_arg++;
 			break;
+		case 'h':
+			if (cur_arg + 3 >= line->elemc)
+				return ERR_PROTOCOL;
+
+			nick = hash_get(&channel->nicks,
+					line->elemv[cur_arg + 3]);
+			if (!nick)
+				return ERR_PROTOCOL;
+			if (add)
+				nick->ovmask |= NICKHALFOP;
+			else
+				nick->ovmask &= ~NICKHALFOP;
+			cur_arg++;
+			break;
 		case 'v':
 			if (cur_arg + 3 >= line->elemc)
 				return ERR_PROTOCOL;
diff --git a/src/irc.h b/src/irc.h
index 575eefa..b97c1a8 100644
--- a/src/irc.h
+++ b/src/irc.h
@@ -37,7 +37,8 @@ struct server {
 #define server_new() calloc(sizeof(struct server), 1)
 
 #define NICKOP 1
-#define NICKVOICED 2
+#define NICKHALFOP (1<<1)
+#define NICKVOICED (1<<2)
 
 struct nick {
 	char *name;