diff --git a/telegram/commands.go b/telegram/commands.go
index 26f6b0d..0f579dc 100644
--- a/telegram/commands.go
+++ b/telegram/commands.go
@@ -7,6 +7,7 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
+	"time"
 
 	"dev.narayana.im/narayana/telegabber/xmpp/gateway"
 
@@ -30,21 +31,21 @@ var transportCommands = map[string]command{
 }
 
 var chatCommands = map[string]command{
-	"d": command{"[n]", "delete your last message(s)"},
-	//"s":          command{"regex replace", "edit your last message"},
-	//"add":        command{"@username", "add @username to your chat list"},
-	//"join":       command{"https://t.me/invite_link", "join to chat via invite link"},
-	//"group":      command{"title", "create groupchat «title» with current user"},
-	//"supergroup": command{"title description", "create new supergroup «title» with «description»"},
-	//"channel":    command{"title description", "create new channel «title» with «description»"},
-	//"secret":     command{"", "create secretchat with current user"},
+	"d":          command{"[n]", "delete your last message(s)"},
+	"s":          command{"regex replace", "edit your last message"},
+	"add":        command{"@username", "add @username to your chat list"},
+	"join":       command{"https://t.me/invite_link", "join to chat via invite link"},
+	"group":      command{"title", "create groupchat «title» with current user"},
+	"supergroup": command{"title description", "create new supergroup «title» with «description»"},
+	"channel":    command{"title description", "create new channel «title» with «description»"},
+	"secret":     command{"", "create secretchat with current user"},
 	//"search":     command{"string [limit]", "search <string> in current chat"},
 	//"history":    command{"[limit]", "get last [limit] messages from current chat"},
-	//"block":      command{"", "blacklist current user"},
-	//"unblock":    command{"", "unblacklist current user"},
-	//"invite":     command{"id or @username", "add user to current chat"},
-	//"kick":       command{"id or @username", "remove user to current chat"},
-	//"ban":        command{"id or @username [hours]", "restrict @username from current chat for [hours] or forever"},
+	"block":   command{"", "blacklist current user"},
+	"unblock": command{"", "unblacklist current user"},
+	"invite":  command{"id or @username", "add user to current chat"},
+	"kick":    command{"id or @username", "remove user to current chat"},
+	"ban":     command{"id or @username [hours]", "restrict @username from current chat for [hours] or forever"},
 	//"leave":      command{"", "leave current chat"},
 	//"close":      command{"", "close current secret chat"},
 	//"delete":     command{"", "delete current chat from chat list"},
@@ -505,6 +506,37 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool)
 				return err.Error(), true
 			}
 		}
+	// ban @username from current chat [for N hours]
+	case "ban":
+		if len(args) < 1 {
+			return notEnoughArguments, true
+		}
+
+		if chatID < 0 {
+			userID, err := c.usernameOrIdToId(args[0])
+			if err != nil {
+				return err.Error(), true
+			}
+
+			var until int32
+			if len(args) > 1 {
+				hours, err := strconv.ParseInt(args[1], 10, 32)
+				if err != nil {
+					until = int32(time.Now().Unix() + hours*3600)
+				}
+			}
+
+			_, err = c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
+				ChatId: chatID,
+				UserId: userID,
+				Status: &client.ChatMemberStatusBanned{
+					BannedUntilDate: until,
+				},
+			})
+			if err != nil {
+				return err.Error(), true
+			}
+		}
 	case "help":
 		return helpString(helpTypeChat), true
 	default: