diff --git a/day04.ua b/day04.ua
index a2e4afa..17351c0 100644
--- a/day04.ua
+++ b/day04.ua
@@ -14,7 +14,7 @@ PartIPost ← /+
 PartIIPre ← /+♭⊞=Parse
 PartIIPost ← (
   ⊃(∘|+1⊚⧻)
-  ∧(⬚0+×+1⊚⊃(⊙⊢|⋅(↘1)|⋅(+⊢)))⊙⊙0
+  ∧(⬚0++⊃(⊚⊙⊢|⋅(↘1)|⋅(+⊢)))⊙⊙0
   ;
 )