diff --git a/addon/bootstrap.js b/addon/bootstrap.js
index e86118c..274ada3 100644
--- a/addon/bootstrap.js
+++ b/addon/bootstrap.js
@@ -37,6 +37,7 @@ async function startup({ id, version, resourceURI, rootURI }, reason) {
     `${rootURI}/chrome/content/scripts/__addonRef__.js`,
     ctx,
   );
+  Zotero.__addonInstance__.hooks.onStartup();
 }
 
 function onMainWindowLoad({ win }) {
diff --git a/src/index.ts b/src/index.ts
index c4790a9..acb56ed 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -19,8 +19,6 @@ if (!basicTool.getGlobal("Zotero")[config.addonInstance]) {
     },
   });
   Zotero[config.addonInstance] = addon;
-  // Trigger addon hook for initialization
-  addon.hooks.onStartup();
 }
 
 function defineGlobal(name: Parameters<BasicTool["getGlobal"]>[0]) {