diff --git a/day_07/1.rb b/day_07/1.rb
index 079d668..fd1e180 100755
--- a/day_07/1.rb
+++ b/day_07/1.rb
@@ -5,7 +5,7 @@ require_relative "graph"
 
 class Main
   def run
-    input = $stdin.readlines.map(&:chomp)
+    input = $stdin.readlines(chomp: true)
     graph = Graph.new(input)
 
     total = dfs(graph.start, graph, 0, Set.new)