diff --git a/init/chromeos-cleanup-logs b/init/chromeos-cleanup-logs
index dae743b..566437a 100755
--- a/init/chromeos-cleanup-logs
+++ b/init/chromeos-cleanup-logs
@@ -32,7 +32,7 @@
   local file_pattern="$2"
   local mtime=${NUM_DAYS_TO_PRESERVE}
   while [ ${mtime} -ge 1 ]; do
-    find "${subdir}" -name "${file_pattern}" -mtime "+${mtime}" -delete
+    find "${subdir}" -type f -name "${file_pattern}" -mtime "+${mtime}" -delete
     if [ $(du -s --block-size=1M "${subdir}" | cut -f 1) -gt \
          ${MAX_SUBDIR_SIZE} ]; then
       : $(( mtime -= 1 ))