diff --git a/benchmark b/benchmark
index 7050750..8b06e97 100755
--- a/benchmark
+++ b/benchmark
@@ -4,11 +4,16 @@ part="$2"
 inputfile="../inputs/$day-input"
 
 [ -x "prepare" ] || exit 0
-[ -x "run" ] || exit 0
 
 if ! ./prepare "$day" "$part" "$inputfile"; then
 	echo 'eh ge hebt precies niet alles geïnstalleerd staan'
 	exit
 fi
 
+[ -x "run" ] || exit 0
+
 hyperfine "./run '$day' '$part' '$inputfile'"
+
+if [ -x "clean" ]; then
+	./clean
+fi