diff --git a/eslint.config.mjs b/eslint.config.mjs
index 6d3d8782a0de79..6dd026b88ff293 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -128,7 +128,7 @@ export default [
         CryptoKey: 'readonly',
         DecompressionStream: 'readonly',
         DisposableStack: 'readonly',
-        EventSource: 'readable',
+        EventSource: 'readonly',
         fetch: 'readonly',
         Float16Array: 'readonly',
         FormData: 'readonly',