diff --git a/js/app.js b/js/app.js
index f54687b3..a974e8ac 100644
--- a/js/app.js
+++ b/js/app.js
@@ -3866,7 +3866,10 @@ class Application {
   }
 
   resolveSubscriptionsLink() {
-    if (this.subscriptionsLink instanceof HTMLElement) {
+    if (
+      this.subscriptionsLink instanceof HTMLElement &&
+      this.subscriptionsLink.isConnected
+    ) {
       return this.subscriptionsLink;
     }
 
diff --git a/js/index.js b/js/index.js
index 553d3e60..f74e90b6 100644
--- a/js/index.js
+++ b/js/index.js
@@ -621,6 +621,12 @@ async function bootstrapInterface() {
   await loadSidebar("components/sidebar.html", "sidebarContainer");
   devLogger.log("Sidebar loaded.");
 
+  try {
+    await applicationReadyPromise;
+  } catch (error) {
+    // fall through
+  }
+
   if (application && typeof application.hydrateSidebarNavigation === "function") {
     try {
       application.hydrateSidebarNavigation();
diff --git a/js/nostr/toolkit.js b/js/nostr/toolkit.js
index 829be9c8..fd94b10b 100644
--- a/js/nostr/toolkit.js
+++ b/js/nostr/toolkit.js
@@ -522,7 +522,11 @@ export function shimLegacySimplePoolMethods(pool) {
           }
           closed = true;
           try {
-            closer?.close?.("closed by caller");
+            if (typeof closer === "function") {
+              closer();
+            } else if (closer && typeof closer.close === "function") {
+              closer.close("closed by caller");
+            }
           } catch (error) {
             devLogger.warn("[nostr] Failed to close SimplePool subscription.", error);
           }