diff --git a/internal/services/prosody/change_password.go b/internal/services/prosody/change_password.go
index 6d989b4..7b187cb 100644
--- a/internal/services/prosody/change_password.go
+++ b/internal/services/prosody/change_password.go
@@ -33,7 +33,7 @@ func (p *Prosody) ChangePassword(user string, currentPwd string, newPwd string)
 		return errors.New("password is incorrect")
 	}
 
-	cmd := exec.Command("/usr/bin/prosodyctl", "passwd", user+"@"+p.plainDomain)
+	cmd := exec.Command("/usr/bin/prosodyctl", "passwd", user)
 	// Create a pipe to write to the process's standard input.
 	stdin, err := cmd.StdinPipe()
 	if err != nil {