diff --git a/auth.go b/auth.go
index b0014a7..149b54b 100644
--- a/auth.go
+++ b/auth.go
@@ -44,7 +44,7 @@ func Login(username, password string) bool {
 }
 
 func (u *UserData) SetPassword(newcrypt []byte) bool {
-	q := fmt.Sprintf("update %s_users set password=? where id=?", c.TablePrefix)
+	q := fmt.Sprintf("update %s_users set password=? where id=? limit 1", c.TablePrefix)
 	_, err := c.db.Exec(q, newcrypt, u.UserID)
 	if err != nil {
 		log.Printf("scsusers.SetPassword: update failed for %s: %s\n", u.Username, err.Error())