diff --git a/install/config/timezones.sh b/install/config/timezones.sh
index df796e2..d06c3d6 100644
--- a/install/config/timezones.sh
+++ b/install/config/timezones.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if [[ ! -f /etc/sudoers.d/omarchy-tzupdate ]]; then
+if ! command -v tzupdate &>/dev/null; then
   yay -S --noconfirm --needed tzupdate
   sudo tee /etc/sudoers.d/omarchy-tzupdate >/dev/null <<EOF
 %wheel ALL=(root) NOPASSWD: /usr/bin/tzupdate, /usr/bin/timedatectl
diff --git a/migrations/1753495989.sh b/migrations/1753495989.sh
index b54f506..5c0efcd 100644
--- a/migrations/1753495989.sh
+++ b/migrations/1753495989.sh
@@ -1,5 +1,5 @@
 echo "Allow updating of timezone by right-clicking on the clock (or running omarchy-cmd-tzupdate)"
-if [[ ! -f /etc/sudoers.d/omarchy-tzupdate ]]; then
+if ! command -v tzupdate &>/dev/null; then
   bash ~/.local/share/omarchy/install/config/timezones.sh
   omarchy-refresh-waybar
 fi