diff --git a/Main.hs b/Main.hs
--- a/Main.hs
+++ b/Main.hs
@@ -65,11 +65,13 @@
 	let sess = either (error . show) id $ eSess
 	sendPresence presenceOnline sess
 	mapM_ (\tjid -> do
-		let parsedJid = parseJid tjid
-		when (oMessageType opts == GroupChat) $ do
-			let (roomName, roomServer, _) = jidToTexts parsedJid
-			let roomJid = fromJust $ jidFromTexts roomName roomServer $ Just $ S.toText $ oResource opts
-			joinMUC roomJid Nothing sess >> pure ()
-		sendMessage ((simpleIM parsedJid $ S.toText text) { messageType = oMessageType opts }) sess >> pure ()) recipients
+			let parsedJid = parseJid tjid
+			when (oMessageType opts == GroupChat) $ do
+				let (roomName, roomServer, _) = jidToTexts parsedJid
+				let roomJid = fromJust $ jidFromTexts roomName roomServer $ Just $ S.toText $ oResource opts
+				result <- joinMUCResult roomJid Nothing sess
+				either (\err -> print $ stanzaErrorText err) (const $ pure ()) result
+			sendMessage ((simpleIM parsedJid $ S.toText text) { messageType = oMessageType opts }) sess >> pure ()
+		) recipients
 	sendPresence presenceOffline sess
 	endSession sess
diff --git a/hsendxmpp.cabal b/hsendxmpp.cabal
--- a/hsendxmpp.cabal
+++ b/hsendxmpp.cabal
@@ -1,7 +1,7 @@
 name:                hsendxmpp
-version:             0.1.2.2
+version:             0.1.2.3
 synopsis:            sendxmpp clone, sending XMPP messages via CLI
--- description:
+description:         It aims to be a drop-in replacement regarding the CLI flags. It is user-friendlier, handles errors better and, unlike sendxmpp, it supports modern authentication and encryption schemes.
 license:             OtherLicense
 license-file:        LICENSE
 author:              Sergey Alirzaev
@@ -18,16 +18,16 @@
 Source-repository this
   type:              git
   location:          https://github.com/l29ah/hsendxmpp.git
-  tag:               0.1.2.2
+  tag:               0.1.2.3
 
 executable hsendxmpp
   main-is:             Main.hs
-  ghc-options:        -fno-warn-tabs
+  ghc-options:         -W -fno-warn-tabs
   -- other-modules:
   -- other-extensions:
   build-depends:       base >=4.9 && <4.15,
                        pontarius-xmpp >= 0.4.5 && < 0.6,
-                       pontarius-xmpp-extras >= 0.1.0.1 && < 0.2,
+                       pontarius-xmpp-extras >= 0.1.0.6 && < 0.2,
                        hslogger >= 1.2.8 && < 1.4,
                        string-class >= 0.1.7.0 && < 0.2
   -- hs-source-dirs: