diff --git a/2021/benchmark b/2021/benchmark
index 2064a02..0136111 100755
--- a/2021/benchmark
+++ b/2021/benchmark
@@ -1,7 +1,7 @@
 #!/bin/sh
 day="$(printf '%02d' "$1")"
 part="$2"
-inputfile="../inputs/$day.txt"
+inputfile="$PWD/../inputs/$day.txt"
 
 [ -x "prepare" ] || exit 0