diff --git a/src/common/cfgfiles.c b/src/common/cfgfiles.c
index e4b16956..bd35745f 100644
--- a/src/common/cfgfiles.c
+++ b/src/common/cfgfiles.c
@@ -407,6 +407,9 @@ const struct prefs vars[] =
 	{"gui_autoopen_send", P_OFFINT (hex_gui_autoopen_send), TYPE_BOOL},
 	{"gui_chanlist_maxusers", P_OFFINT (hex_gui_chanlist_maxusers), TYPE_INT},
 	{"gui_chanlist_minusers", P_OFFINT (hex_gui_chanlist_minusers), TYPE_INT},
+	{"gui_chanlist_width_channel", P_OFFINT (hex_gui_chanlist_width_channel), TYPE_INT},
+	{"gui_chanlist_width_topic", P_OFFINT (hex_gui_chanlist_width_topic), TYPE_INT},
+	{"gui_chanlist_width_users", P_OFFINT (hex_gui_chanlist_width_users), TYPE_INT},
 	{"gui_compact", P_OFFINT (hex_gui_compact), TYPE_BOOL},
 	{"gui_dialog_height", P_OFFINT (hex_gui_dialog_height), TYPE_INT},
 	{"gui_dialog_left", P_OFFINT (hex_gui_dialog_left), TYPE_INT},
@@ -466,6 +469,8 @@ const struct prefs vars[] =
 	{"gui_ulist_hide", P_OFFINT (hex_gui_ulist_hide), TYPE_BOOL},
 	{"gui_ulist_icons", P_OFFINT (hex_gui_ulist_icons), TYPE_BOOL},
 	{"gui_ulist_pos", P_OFFINT (hex_gui_ulist_pos), TYPE_INT},
+	{"gui_ulist_nick_width", P_OFFINT (hex_gui_ulist_nick_width), TYPE_INT},
+	{"gui_ulist_host_width", P_OFFINT (hex_gui_ulist_host_width), TYPE_INT},
 	{"gui_ulist_show_hosts", P_OFFINT(hex_gui_ulist_show_hosts), TYPE_BOOL},
 	{"gui_ulist_sort", P_OFFINT (hex_gui_ulist_sort), TYPE_INT},
 	{"gui_ulist_style", P_OFFINT (hex_gui_ulist_style), TYPE_BOOL},
@@ -824,6 +829,9 @@ load_default_config(void)
 	prefs.hex_flood_msg_time = 30;
 	prefs.hex_gui_chanlist_maxusers = 9999;
 	prefs.hex_gui_chanlist_minusers = 5;
+	prefs.hex_gui_chanlist_width_channel = 0;
+	prefs.hex_gui_chanlist_width_topic = 0;
+	prefs.hex_gui_chanlist_width_users = 0;
 	prefs.hex_gui_dialog_height = 256;
 	prefs.hex_gui_dialog_width = 500;
 	prefs.hex_gui_lagometer = 1;
@@ -837,6 +845,8 @@ load_default_config(void)
 	prefs.hex_gui_tab_trunc = 20;
 	prefs.hex_gui_throttlemeter = 1;
 	prefs.hex_gui_ulist_pos = 3;
+	prefs.hex_gui_ulist_nick_width = 0;
+	prefs.hex_gui_ulist_host_width = 0;
 	prefs.hex_gui_win_height = 400;
 	prefs.hex_gui_win_width = 640;
 	prefs.hex_irc_ban_type = 1;
diff --git a/src/common/zoitechat.h b/src/common/zoitechat.h
index 7693f53b..61ad8c8d 100644
--- a/src/common/zoitechat.h
+++ b/src/common/zoitechat.h
@@ -248,6 +248,9 @@ struct zoitechatprefs
 	int hex_flood_msg_time;
 	int hex_gui_chanlist_maxusers;
 	int hex_gui_chanlist_minusers;
+	int hex_gui_chanlist_width_channel;
+	int hex_gui_chanlist_width_topic;
+	int hex_gui_chanlist_width_users;
 	int hex_gui_dialog_height;
 	int hex_gui_dialog_left;
 	int hex_gui_dialog_top;
@@ -269,6 +272,8 @@ struct zoitechatprefs
 	int hex_gui_transparency;
 	int hex_gui_throttlemeter;
 	int hex_gui_ulist_pos;
+	int hex_gui_ulist_nick_width;
+	int hex_gui_ulist_host_width;
 	int hex_gui_ulist_sort;
 	int hex_gui_url_mod;
 	int hex_gui_win_height;
diff --git a/src/fe-gtk/chanlist.c b/src/fe-gtk/chanlist.c
index e550006a..09440273 100644
--- a/src/fe-gtk/chanlist.c
+++ b/src/fe-gtk/chanlist.c
@@ -74,6 +74,19 @@ chanlistrow;
 
 #define GET_MODEL(xserv) (gtk_tree_view_get_model(GTK_TREE_VIEW(xserv->gui->chanlist_list)))
 
+#define CHANLIST_COL_WIDTH_MIN_CHANNEL 60
+#define CHANLIST_COL_WIDTH_MIN_USERS 40
+#define CHANLIST_COL_WIDTH_MIN_TOPIC 60
+
+static int
+chanlist_clamp_width (int width, int min_width)
+{
+	if (width < min_width)
+		return min_width;
+
+	return width;
+}
+
 static void
 chanlist_set_label_alignment (GtkWidget *widget)
 {
@@ -805,6 +818,26 @@ chanlist_button_cb (GtkTreeView *tree, GdkEventButton *event, server *serv)
 static void
 chanlist_destroy_widget (GtkWidget *wid, server *serv)
 {
+	GtkTreeViewColumn *column;
+
+	column = gtk_tree_view_get_column (GTK_TREE_VIEW (serv->gui->chanlist_list), COL_CHANNEL);
+	if (column)
+		prefs.hex_gui_chanlist_width_channel =
+			chanlist_clamp_width (gtk_tree_view_column_get_width (column), CHANLIST_COL_WIDTH_MIN_CHANNEL);
+
+	column = gtk_tree_view_get_column (GTK_TREE_VIEW (serv->gui->chanlist_list), COL_USERS);
+	if (column)
+		prefs.hex_gui_chanlist_width_users =
+			chanlist_clamp_width (gtk_tree_view_column_get_width (column), CHANLIST_COL_WIDTH_MIN_USERS);
+
+	column = gtk_tree_view_get_column (GTK_TREE_VIEW (serv->gui->chanlist_list), COL_TOPIC);
+	if (column)
+		prefs.hex_gui_chanlist_width_topic =
+			chanlist_clamp_width (gtk_tree_view_column_get_width (column), CHANLIST_COL_WIDTH_MIN_TOPIC);
+
+	if (!save_config ())
+		fe_message (_("Could not save zoitechat.conf."), FE_MSG_WARN);
+
 	custom_list_clear ((CustomList *)GET_MODEL (serv));
 	chanlist_data_free (serv);
 
@@ -944,6 +977,37 @@ chanlist_opengui (server *serv, int do_refresh)
 	chanlist_add_column (view, COL_CHANNEL, 96, _("Channel"), FALSE);
 	chanlist_add_column (view, COL_USERS,   50, _("Users"),   TRUE);
 	chanlist_add_column (view, COL_TOPIC,   50, _("Topic"),   FALSE);
+
+	if (prefs.hex_gui_chanlist_width_channel > 0)
+	{
+		GtkTreeViewColumn *column = gtk_tree_view_get_column (GTK_TREE_VIEW (view), COL_CHANNEL);
+		if (column)
+			gtk_tree_view_column_set_fixed_width (column,
+				chanlist_clamp_width (prefs.hex_gui_chanlist_width_channel, CHANLIST_COL_WIDTH_MIN_CHANNEL));
+	}
+
+	if (prefs.hex_gui_chanlist_width_users > 0)
+	{
+		GtkTreeViewColumn *column = gtk_tree_view_get_column (GTK_TREE_VIEW (view), COL_USERS);
+		if (column)
+		{
+			gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
+			gtk_tree_view_column_set_fixed_width (column,
+				chanlist_clamp_width (prefs.hex_gui_chanlist_width_users, CHANLIST_COL_WIDTH_MIN_USERS));
+			gtk_tree_view_column_set_resizable (column, FALSE);
+		}
+	}
+
+	if (prefs.hex_gui_chanlist_width_topic > 0)
+	{
+		GtkTreeViewColumn *column = gtk_tree_view_get_column (GTK_TREE_VIEW (view), COL_TOPIC);
+		if (column)
+		{
+			gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
+			gtk_tree_view_column_set_fixed_width (column,
+				chanlist_clamp_width (prefs.hex_gui_chanlist_width_topic, CHANLIST_COL_WIDTH_MIN_TOPIC));
+		}
+	}
 	gtk_tree_view_set_grid_lines (GTK_TREE_VIEW (view), GTK_TREE_VIEW_GRID_LINES_HORIZONTAL);
 	gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (view)), GTK_SELECTION_MULTIPLE);
 	/* this is a speed up, but no horizontal scrollbar :( */
diff --git a/src/fe-gtk/userlistgui.c b/src/fe-gtk/userlistgui.c
index fdc8b8d5..d8880244 100644
--- a/src/fe-gtk/userlistgui.c
+++ b/src/fe-gtk/userlistgui.c
@@ -52,6 +52,29 @@ enum
 
 static void userlist_store_color (GtkListStore *store, GtkTreeIter *iter, ThemeSemanticToken token, gboolean has_token);
 
+static void
+userlist_column_width_notify_cb (GtkTreeViewColumn *column, GParamSpec *pspec, gpointer userdata)
+{
+	(void)pspec;
+
+	int width = gtk_tree_view_column_get_width (column);
+	int *target = (int *)userdata;
+
+	if (!target || width < 1 || *target == width)
+		return;
+
+	*target = width;
+}
+
+static void
+userlist_apply_saved_column_width (GtkTreeViewColumn *column, int width)
+{
+	if (!column || width < 1)
+		return;
+
+	gtk_tree_view_column_set_fixed_width (column, width);
+}
+
 static void
 userlist_update_min_width (session *sess)
 {
@@ -71,7 +94,6 @@ userlist_update_min_width (session *sess)
 	scrolled_window = gtk_widget_get_parent (sess->gui->user_tree);
 	if (GTK_IS_SCROLLED_WINDOW (scrolled_window))
 		gtk_scrolled_window_set_min_content_width (GTK_SCROLLED_WINDOW (scrolled_window), width);
-	gtk_widget_set_size_request (sess->gui->user_tree, width, -1);
 	gtk_widget_set_size_request (sess->gui->user_box, width, -1);
 }
 
@@ -712,6 +734,11 @@ userlist_add_columns (GtkTreeView * treeview)
 	gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 	gtk_tree_view_column_set_expand (column, TRUE);
 	gtk_tree_view_column_set_min_width (column, 1);
+	gtk_tree_view_column_set_resizable (column, TRUE);
+	userlist_apply_saved_column_width (column, prefs.hex_gui_ulist_nick_width);
+	g_signal_connect (G_OBJECT (column), "notify::width",
+							G_CALLBACK (userlist_column_width_notify_cb),
+							&prefs.hex_gui_ulist_nick_width);
 
 	if (prefs.hex_gui_ulist_show_hosts)
 	{
@@ -728,6 +755,11 @@ userlist_add_columns (GtkTreeView * treeview)
 		gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 		gtk_tree_view_column_set_expand (column, TRUE);
 		gtk_tree_view_column_set_min_width (column, 1);
+		gtk_tree_view_column_set_resizable (column, TRUE);
+		userlist_apply_saved_column_width (column, prefs.hex_gui_ulist_host_width);
+		g_signal_connect (G_OBJECT (column), "notify::width",
+								G_CALLBACK (userlist_column_width_notify_cb),
+								&prefs.hex_gui_ulist_host_width);
 	}
 }
 
@@ -854,7 +886,7 @@ userlist_create (GtkWidget *box)
 	treeview = gtk_tree_view_new ();
 	gtk_widget_set_name (treeview, "zoitechat-userlist");
 	gtk_widget_set_can_focus (treeview, TRUE);
-	gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (treeview), FALSE);
+	gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (treeview), TRUE);
 	gtk_tree_selection_set_mode (gtk_tree_view_get_selection
 										  (GTK_TREE_VIEW (treeview)),
 										  GTK_SELECTION_MULTIPLE);