diff --git a/pacman-zfs-snapshot.sh b/pacman-zfs-snapshot.sh
index a46155d..9c78ab5 100755
--- a/pacman-zfs-snapshot.sh
+++ b/pacman-zfs-snapshot.sh
@@ -151,7 +151,7 @@ function find_max_dataset_name_length () {
     done
     sev_suffix_string="$(head -c "${longest_sev_suffix}" '/dev/zero' | tr '\0' '_')"
 
-    local max_dataset_name_length dataset_name_no_pkgs
+    local dataset_name_no_pkgs
     max_dataset_name_length='0'
     for dataset in "${snappable_datasets[@]}"; do
         dataset_name_no_pkgs="${dataset}"'@'"${snap_name_prefix}${snap_field_separator}${date_string}${snap_field_separator}"'op:'"${op_suffix_string}${snap_field_separator}"'sev:'"${sev_suffix_string}${snap_field_separator}"'pkgs:'