diff --git a/2019/day4/day4.hs b/2019/day4/day4.hs
index cf31af7..556c618 100644
--- a/2019/day4/day4.hs
+++ b/2019/day4/day4.hs
@@ -6,8 +6,7 @@ main = do
 
 day4 p = sum . map (fromEnum . p . show)
 
-p x
-    | sort x /= x = False
+p x | sort x /= x = False
     | nub x == x = False
     | otherwise = True