diff --git a/.github/workflows/auto-reviewer-assign.yml b/.github/workflows/auto-reviewer-assign.yml
index b27cda9..1ab801d 100644
--- a/.github/workflows/auto-reviewer-assign.yml
+++ b/.github/workflows/auto-reviewer-assign.yml
@@ -1,7 +1,7 @@
 name: auto-reviewer-assign
 on:
   pull_request:
-    types: opned
+    types: opened
 
 jobs:
   auto-assign: