diff --git a/lib-tui/GHCup/Brick/Common.hs b/lib-tui/GHCup/Brick/Common.hs
index fe04f3b3..4ef82c67 100644
--- a/lib-tui/GHCup/Brick/Common.hs
+++ b/lib-tui/GHCup/Brick/Common.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP               #-}
 {-# LANGUAGE DataKinds         #-}
 {-# LANGUAGE FlexibleContexts  #-}
 {-# LANGUAGE OverloadedStrings #-}
@@ -27,6 +26,7 @@ module GHCup.Brick.Common  (
   installedSign,
   setSign,
   notInstalledSign,
+  checkBoxSelectedSign,
   showKey,
   showMod,
   keyToWidget,
@@ -52,6 +52,7 @@ module GHCup.Brick.Common  (
   ) ) where
 
 import           GHCup.List ( ListResult )
+import           GHCup.Prelude ( isWindows )
 import           GHCup.Types ( Tool, KeyCombination (KeyCombination) )
 import Data.List (intercalate)
 import           Prelude                 hiding ( appendFile )
@@ -160,25 +161,20 @@ data Mode = Navigation
           deriving (Eq, Show, Ord)
 
 installedSign :: String
-#if IS_WINDOWS
-installedSign = "I "
-#else
-installedSign = "✓ "
-#endif
+  | isWindows = "I "
+  | otherwise = "✓ "
 
 setSign :: String
-#if IS_WINDOWS
-setSign = "IS"
-#else
-setSign = "✔✔"
-#endif
+  | isWindows = "IS"
+  | otherwise = "✔✔"
 
 notInstalledSign :: String
-#if IS_WINDOWS
-notInstalledSign = "X "
-#else
-notInstalledSign = "✗ "
-#endif
+  | isWindows = "X "
+  | otherwise = "✗ "
+
+checkBoxSelectedSign :: String
+  | isWindows = "Y "
+  | otherwise = "✓ "
 
 
 showKey :: Vty.Key -> String
diff --git a/lib-tui/GHCup/Brick/Widgets/Menu.hs b/lib-tui/GHCup/Brick/Widgets/Menu.hs
index 289d2c89..9c5289af 100644
--- a/lib-tui/GHCup/Brick/Widgets/Menu.hs
+++ b/lib-tui/GHCup/Brick/Widgets/Menu.hs
@@ -228,7 +228,7 @@ createCheckBoxInput = FieldInput False Right "" checkBoxRender checkBoxHandler
     border w = Brick.txt "[" <+> (Brick.padRight (Brick.Pad 1) $ Brick.padLeft (Brick.Pad 2) w) <+> Brick.txt "]"
     drawBool b =
         if b
-          then border . Brick.withAttr Attributes.installedAttr    $ Brick.str Common.installedSign
+          then border . Brick.withAttr Attributes.installedAttr    $ Brick.str Common.checkBoxSelectedSign
           else border . Brick.withAttr Attributes.notInstalledAttr $ Brick.str Common.notInstalledSign
     checkBoxRender focus _ help _ check f = (, Nothing) $
       let core = f $ drawBool check