diff --git a/zsh/aliases.zsh b/zsh/aliases.zsh
index f70eee1..9e98a16 100644
--- a/zsh/aliases.zsh
+++ b/zsh/aliases.zsh
@@ -137,6 +137,6 @@ less() {
 
 # Arch system upgrade with snapper pre/post
 sys-update() {
-    local update_date=$(date -d "today" +"%Y%m%d%H%M")
+    local update_date=$(date -d "today" +"%Y-%m-%d %H:%M")
     sudo snapper -c root create --description "System Update ${update_date}" --command "sudo pacman -Syu"
 }