diff --git a/templates/powershell.txt b/templates/powershell.txt
index e53d39a..ad8323b 100644
--- a/templates/powershell.txt
+++ b/templates/powershell.txt
@@ -34,7 +34,11 @@ function __zoxide_hook {
 }
 
 # Initialize hook.
-if (-Not (Get-Command '__zoxide_hook' -ErrorAction SilentlyContinue)) {
+{# Initialize $__zoxide_hooked if it does not exist. Removing this will cause
+ # an unset variable error in StrictMode. #}
+$__zoxide_hooked = (Get-Variable __zoxide_hooked -ValueOnly -ErrorAction SilentlyContinue)
+if ($__zoxide_hooked -ne 1) {
+    $__zoxide_hooked = 1
 {%- match hook %}
 {%- when InitHook::None %}
     {{ not_configured }}