diff --git a/source/background/setup.ts b/source/background/setup.ts
index c1a1e6c..3cd2a17 100644
--- a/source/background/setup.ts
+++ b/source/background/setup.ts
@@ -15,7 +15,7 @@ if ($browser === "firefox") {
 }
 
 browser.runtime.onInstalled.addListener(async () => {
-  if (!$dev) {
+  if ($dev) {
     await browser.runtime.openOptionsPage();
   }
 });