diff --git a/Sources/10/10.swift b/Sources/10/10.swift
index c730bc7..7cf9337 100644
--- a/Sources/10/10.swift
+++ b/Sources/10/10.swift
@@ -44,8 +44,7 @@ struct Day10: Runnable {
             }
             if !isIllegalLine {
                 var lineScore = 0
-                s.reverse()
-                while let last = s.popLast() {
+                while let last = s.popFirst() {
                     let charValue = last.closedBy!.autocompleteScore!
                     lineScore = lineScore * 5 + charValue
                 }