diff --git a/pacman-zfs-snapshot.sh b/pacman-zfs-snapshot.sh
index 438e939..eea1a56 100755
--- a/pacman-zfs-snapshot.sh
+++ b/pacman-zfs-snapshot.sh
@@ -359,6 +359,8 @@ function do_retention () {
 function main () {
     local pkgs_in_transaction
     pkgs_in_transaction=("${@}")
+    pkgs_in_transaction=("${pkgs_in_transaction[@]//+/_}")
+    pkgs_in_transaction=("${pkgs_in_transaction[@]//@/.}")
 
     local -a important_pkgs_in_transaction trivial_pkgs_in_transaction
     split_pkgs_by_importance "${pkgs_in_transaction[@]}"