diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 7c000e2..94b2666 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -25,6 +25,6 @@ jobs:
           github_token: ${{ secrets.github_token }}
           # Enable linters
           black: true
-          black_args: "-l 99 --diff --color --extend-exclude \.ipynb"
+          black_args: "-l 99 --diff --color --extend-exclude .ipynb"
           flake8: true
           flake8_args: "--max-line-length=99 --extend-ignore=E203,E501"