diff --git a/pkg/connector/commands.go b/pkg/connector/commands.go
index 39e7e7ae..6f014dbc 100644
--- a/pkg/connector/commands.go
+++ b/pkg/connector/commands.go
@@ -117,7 +117,7 @@ var cmdJoin = &commands.FullHandler{
 }
 
 var usernameLinkRe = regexp.MustCompile(`^(?:(?:https?://)?t(?:elegram)?\.(?:me|dog)/|tg:/{0,2}resolve\?domain=)([a-zA-Z]\w{3,30}[a-zA-Z\d])(?:\?.+)?$`)
-var inviteLinkRe = regexp.MustCompile(`^(?:(?:https?://)?t(?:elegram)?\.(?:me|dog)/(?:joinchat/|\+)|tg:/{0,2}join\?invite=)([a-zA-Z0-9_-]{22})(?:\?.+)?$`)
+var inviteLinkRe = regexp.MustCompile(`^(?:(?:https?://)?t(?:elegram)?\.(?:me|dog)/(?:joinchat/|\+)|tg:/{0,2}join\?invite=)([a-zA-Z0-9_-]{8,64})(?:\?.+)?$`)
 
 func fnJoin(ce *commands.Event) {
 	if len(ce.Args) == 0 || len(ce.Args) > 2 {