diff --git a/Handler/Buy.hs b/Handler/Buy.hs
index 9ab2b00..590f4c1 100644
--- a/Handler/Buy.hs
+++ b/Handler/Buy.hs
@@ -81,7 +81,7 @@ notifyUser :: User -> Beverage -> Int -> Int -> App -> IO ()
 notifyUser user bev quant price master = do
   case userEmail user of
     Just email -> do
-      addendum <- if userBalance user < 0
+      addendum <- if (userBalance user - price) < 0
         then
           return $
             "\n\nDein Guthaben Beträgt im Moment " ++