diff --git a/pacman-zfs-snapshot.sh b/pacman-zfs-snapshot.sh
index 5bb939a..647a644 100755
--- a/pacman-zfs-snapshot.sh
+++ b/pacman-zfs-snapshot.sh
@@ -69,7 +69,7 @@ function main () {
     local pkgs_in_transaction
     pkgs_in_transaction=("${@}")
 
-    declare -a important_pkgs_in_transaction trivial_pkgs_in_transaction
+    local -a important_pkgs_in_transaction trivial_pkgs_in_transaction
     split_pkgs_by_importance "${pkgs_in_transaction[@]}"
 
     local severity