diff --git a/solvable_files.sh b/solvable_files.sh
index ee53678..0bc7a76 100755
--- a/solvable_files.sh
+++ b/solvable_files.sh
@@ -130,4 +130,4 @@ function correct_mtime() {
 }
 export -f correct_mtime
 
-find "$data_dir" -type f ! -newermt "@86400" -exec bash -c 'correct_mtime "$0"' {} \;
+find "$data_dir" -type f ! -newermt "1 day" -exec bash -c 'correct_mtime "$0"' {} \;