diff --git a/d04/day4.ua b/d04/day4.ua
index 1323229..f647c21 100644
--- a/d04/day4.ua
+++ b/d04/day4.ua
@@ -1,6 +1,6 @@
 Input ← &fras⊡1&args
 Grid  ← =@@⊜∘⊸≠@\n
 Part₁ ← /+<4⊡⊚⟜(/+⬚0↻⊂A₂C₂) Grid
-Part₂ ← -∩(/+♭)⊸⍢∘(⤚(¬≍)⊸(×⟜(≥4/+⬚0↻⊂A₂C₂))) Grid
+Part₂ ← -∩(/+♭)⊸⍥(×⟜(≥4/+⬚0↻⊂A₂C₂))∞ Grid
 
 ⊃Part₁Part₂ Input