diff --git a/.github/workflows/make_test_ebook.yaml b/.github/workflows/make_test_ebook.yaml
index 5812255..971968f 100644
--- a/.github/workflows/make_test_ebook.yaml
+++ b/.github/workflows/make_test_ebook.yaml
@@ -25,5 +25,5 @@ jobs:
         run: pip install -r requirements.txt
       - name: make test ebook
         env:
-          OPENAI_API_KEY=: ${{ secrets.OPENAI_API_KEY }}
+          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
         run: python3 make.py --book_name test_books/animal_farm.epub --no_limit --test --test_num 2