diff --git a/keepassxc-browser/content/passkeys-inject.js b/keepassxc-browser/content/passkeys-inject.js
index 1462fd0..a43a66f 100644
--- a/keepassxc-browser/content/passkeys-inject.js
+++ b/keepassxc-browser/content/passkeys-inject.js
@@ -7,7 +7,8 @@ const PASSKEYS_WAIT_FOR_LIFETIMER = 30;
 // Apply a script to the page for intercepting Passkeys (WebAuthn) requests
 const enablePasskeys = async function() {
     const passkeysLogDebug = function(message, extra) {
-        if (kpxcPasskeysUtils.debugLogging) {
+        // `global.js` runs at `document_idle`
+        if (kpxcPasskeysUtils.debugLogging && typeof debugLogMessage === 'function') {
             debugLogMessage(message, extra);
         }
     };
@@ -71,11 +72,13 @@ const enablePasskeys = async function() {
         // https://www.w3.org/TR/webauthn-2/#sctn-permissions-policy
         const policy = document.featurePolicy || document.permissionsPolicy;
         if (policy) {
+            passkeysLogDebug('Checking Permissions Policy');
             return policy.allowsFeature(`publickey-credentials-${action}`);
         }
 
         // fallback to sameOriginWithAncestors
         try {
+            passkeysLogDebug('Checking sameOriginWithAncestors');
             return window.origin === window.top.origin;
         } catch (_err) {
             return false;