diff --git a/tools/aoc.nim b/tools/aoc.nim
index 1adc617..1a3ae7e 100644
--- a/tools/aoc.nim
+++ b/tools/aoc.nim
@@ -89,7 +89,7 @@ options:
   let today = now()
   var
     year = today.year
-    day = today.weekday.ord
+    day = parseInt(today.format("d"))
 
   for kind, key, val in getopt():
     case kind