diff --git a/xS/main.go b/xS/main.go
index c078440..39453f9 100644
--- a/xS/main.go
+++ b/xS/main.go
@@ -1921,7 +1921,7 @@ func ircHandleMODE(msg *message, c *client) {
 	ch := channels[ircToCanon(target)]
 
 	if client != nil {
-		if ircEqual(target, c.nickname) {
+		if !ircEqual(target, c.nickname) {
 			c.sendReply(ERR_USERSDONTMATCH)
 			return
 		}