diff --git a/scripts/3-post-setup.sh b/scripts/3-post-setup.sh
index 34c67a0..75077f8 100755
--- a/scripts/3-post-setup.sh
+++ b/scripts/3-post-setup.sh
@@ -102,6 +102,8 @@ systemctl enable NetworkManager.service
 echo "  NetworkManager enabled"
 systemctl enable bluetooth
 echo "  Bluetooth enabled"
+systemctl enable fstrim.timer
+echo "  Periodic Trim enabled"
 
 if [[ "${FS}" == "luks" || "${FS}" == "btrfs" ]]; then
 echo -ne "