diff --git a/nix/configurations/vanadium/home/xmonad/xmonad.hs b/nix/configurations/vanadium/home/xmonad/xmonad.hs
index d9859cd7..b56b81a9 100644
--- a/nix/configurations/vanadium/home/xmonad/xmonad.hs
+++ b/nix/configurations/vanadium/home/xmonad/xmonad.hs
@@ -29,6 +29,7 @@ import XMonad.Util.SpawnOnce
 import XMonad.Layout.Magnifier
 
 import Data.Char.Greek
+import Data.Ratio
 import Data.Semigroup
 import qualified Data.Map.Strict as M
 import System.Posix
@@ -325,10 +326,10 @@ chatWS :: WorkspaceId
 chatWS = myWorkspaces !! 3
 
 centeredFloat, smallFloat, fullFloat, buttomRightFloat :: W.RationalRect
-centeredFloat    = W.RationalRect (1/9) (1/9) (7/9) (7/9)
-smallFloat       = W.RationalRect (3/5) (3/5) (2/7) (2/7)
+centeredFloat    = W.RationalRect (1%9) (1%9) (7%9) (7%9)
+smallFloat       = W.RationalRect (3%5) (3%5) (2%7) (2%7)
 fullFloat        = W.RationalRect     0     0     1     1
-buttomRightFloat = W.RationalRect (1/2) (1/2) (1/2) (1/2)
+buttomRightFloat = W.RationalRect (1%2) (1%2) (1%2) (1%2)
 
 xmobarConfig :: StatusBarConfig
 xmobarConfig = statusBarProp "xmobar -x 0" (pure myPrettyPrinter)