diff --git a/server.go b/server.go
index ff217d7..3241817 100644
--- a/server.go
+++ b/server.go
@@ -361,11 +361,11 @@ func handleCmdMode(sv *Server, msg *irc.Message) {
 		if _, exists := sv.chUsers[chid]; !exists {
 			return
 		}
-		if _, exists = msg.Args[1]; !exists {
+		if _, exists := msg.Args[1]; !exists {
 			return
 		}
 		modeFlag := strings.ToLower(msg.Args[1])
-		if _, exists = msg.Args[2]; !exists {
+		if _, exists := msg.Args[2]; !exists {
 			modeTar := ""
 		} else {
 			modeTar := strings.ToLower(msg.Args[2])