diff --git a/xmpp/extensions/extensions.go b/xmpp/extensions/extensions.go
index d864493..c8889b2 100644
--- a/xmpp/extensions/extensions.go
+++ b/xmpp/extensions/extensions.go
@@ -324,6 +324,12 @@ type QueryMucAdminItem struct {
 	Reason      string   `xml:"reason,omitempty"`
 }
 
+// QueryMucOwner is from XEP-0045
+type QueryMucOwner struct {
+	XMLName   xml.Name          `xml:"http://jabber.org/protocol/muc#owner query"`
+	ResultSet *stanza.ResultSet `xml:"set,omitempty"`
+}
+
 // Namespace is a namespace!
 func (c PresenceNickExtension) Namespace() string {
 	return c.XMLName.Space
@@ -419,6 +425,16 @@ func (c QueryMucAdmin) GetSet() *stanza.ResultSet {
 	return c.ResultSet
 }
 
+// Namespace is a namespace!
+func (c QueryMucOwner) Namespace() string {
+	return c.XMLName.Space
+}
+
+// GetSet getsets!
+func (c QueryMucOwner) GetSet() *stanza.ResultSet {
+	return c.ResultSet
+}
+
 // NewReplyFallback initializes a fallback range
 func NewReplyFallback(start uint64, end uint64) Fallback {
 	return Fallback{
@@ -546,4 +562,10 @@ func init() {
 		"http://jabber.org/protocol/muc#admin",
 		"query",
 	}, QueryMucAdmin{})
+
+	// muc owner query
+	stanza.TypeRegistry.MapExtension(stanza.PKTIQ, xml.Name{
+		"http://jabber.org/protocol/muc#owner",
+		"query",
+	}, QueryMucOwner{})
 }
diff --git a/xmpp/handlers.go b/xmpp/handlers.go
index 7b1f41e..d0c3416 100644
--- a/xmpp/handlers.go
+++ b/xmpp/handlers.go
@@ -76,6 +76,11 @@ func HandleIq(s xmpp.Sender, p stanza.Packet) {
 			go handleGetQueryMucAdmin(s, iq, queryMucAdmin)
 			return
 		}
+		_, ok = iq.Payload.(*extensions.QueryMucOwner)
+		if ok {
+			go handleGetQueryMucOwner(s, iq)
+			return
+		}
 	} else if iq.Type == stanza.IQTypeSet {
 		queryRegister, ok := iq.Payload.(*extensions.QueryRegister)
 		if ok {
@@ -1231,6 +1236,15 @@ func handleGetQueryMucAdmin(s xmpp.Sender, iq *stanza.IQ, query *extensions.Quer
 	}
 }
 
+func handleGetQueryMucOwner(s xmpp.Sender, iq *stanza.IQ) {
+	component, answer, ok := iqResultStub(s, iq)
+	if !ok {
+		return
+	}
+	iqAnswerSetError(answer, 405)
+	gateway.ResumableSend(component, answer)
+}
+
 func handleSetQueryRegister(s xmpp.Sender, iq *stanza.IQ, query *extensions.QueryRegister) {
 	component, answer, ok := iqResultStub(s, iq)
 	if !ok {