diff --git a/packages/wxt/src/utils/inject-script.ts b/packages/wxt/src/utils/inject-script.ts
index 2043e2da8..833b85266 100644
--- a/packages/wxt/src/utils/inject-script.ts
+++ b/packages/wxt/src/utils/inject-script.ts
@@ -32,11 +32,11 @@ export async function injectScript(
     script.src = url;
   }
 
+  (document.head ?? document.documentElement).append(script);
+
   if (!options?.keepInDom) {
-    script.onload = () => script.remove();
+    script.remove();
   }
-
-  (document.head ?? document.documentElement).append(script);
 }
 
 export interface InjectScriptOptions {