diff --git a/static/extension_settings.js b/static/extension_settings.js
index 5a7f21bf..6f74036e 100644
--- a/static/extension_settings.js
+++ b/static/extension_settings.js
@@ -229,9 +229,9 @@
     return !!(meta&&meta.storage_owned&&Array.isArray(meta.settings_schema)&&meta.settings_schema.length);
   }
 
-  function settingsForExtension(id){
+  function settingsForExtension(id,metadata){
     const clean=extensionId(id);
-    const meta=schemas.get(clean)||{id:clean,name:clean,storage_owned:false,settings_schema:[]};
+    const meta=metadata||schemas.get(clean)||{id:clean,name:clean,storage_owned:false,settings_schema:[]};
     const schema=supportsSettings(meta)?meta.settings_schema:[];
     const key=settingsKey(clean);
     function current(){
@@ -278,9 +278,9 @@
     };
   }
 
-  function storageForExtension(id){
+  function storageForExtension(id,metadata){
     const clean=extensionId(id);
-    const meta=schemas.get(clean)||{id:clean,name:clean,storage_owned:false,settings_schema:[]};
+    const meta=metadata||schemas.get(clean)||{id:clean,name:clean,storage_owned:false,settings_schema:[]};
     const allowed=!!meta.storage_owned;
     const key=storageKey(clean);
     return {
@@ -316,11 +316,12 @@
     if(!clean) return null;
     const existing=registrations.get(clean);
     if(existing) return existing;
-    if(!schemas.has(clean)) return null;
+    const trusted=trustedExtensions.get(clean);
+    if(!trusted) return null;
     const handle=Object.freeze({
       id:clean,
-      settings:settingsForExtension(clean),
-      storage:storageForExtension(clean),
+      settings:settingsForExtension(clean,trusted),
+      storage:storageForExtension(clean,trusted),
     });
     registrations.set(clean,handle);
     return handle;
diff --git a/tests/test_extension_settings_runtime.py b/tests/test_extension_settings_runtime.py
index a1fae021..ec968d5b 100644
--- a/tests/test_extension_settings_runtime.py
+++ b/tests/test_extension_settings_runtime.py
@@ -164,6 +164,14 @@ def test_hermes_ext_register_runtime_identity_and_reload_lifecycle():
                 {{key: 'enabled', type: 'boolean', default: true}},
                 {{key: 'mode', type: 'string', default: 'beta'}}
               ]
+            }}, {{
+              id: 'deferred.ext',
+              name: 'Deferred',
+              storage_owned: true,
+              settings_schema: [
+                {{key: 'enabled', type: 'boolean', default: false}},
+                {{key: 'mode', type: 'string', default: 'deferred'}}
+              ]
             }}]
           }},
           localStorage: {{
@@ -232,6 +240,12 @@ def test_hermes_ext_register_runtime_identity_and_reload_lifecycle():
           }}]
         }});
 
+        const deferred = window.hermesExt.register('deferred.ext');
+        assert.ok(deferred);
+        assert.deepStrictEqual(deferred.settings.values, {{enabled: false, mode: 'deferred'}});
+        assert.strictEqual(deferred.storage.set('note', 'deferred-note'), true);
+        assert.strictEqual(deferred.storage.get('note'), 'deferred-note');
+
         assert.strictEqual(window.hermesExt.register('alpha.ext'), alpha);
         assert.strictEqual(alpha.settings.get('enabled'), true);
         assert.strictEqual(alpha.storage.get('note'), 'alpha-note');