diff --git a/2024/day-11/solution-2-2.sh b/2024/day-11/solution-2-2.sh
index 8edb505..75828c3 100644
--- a/2024/day-11/solution-2-2.sh
+++ b/2024/day-11/solution-2-2.sh
@@ -98,7 +98,7 @@ do
     fi
   done < temp-input |
   tee temp-output |
-  sort -n |
+  sort -n -k2 |
   uniq -c |
   awk '{sums[$3] += $1 * $2 } END {for (i in sums) {print sums[i], i}}' |
   sponge temp-input