diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bbe1bd02f..58d3e5c77 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -114,7 +114,7 @@ black:
   before_script:
     - pip install black
   script:
-    - black --exclude "/(\.git|\.hg|\.mypy_cache|\.tox|\.venv|_build|buck-out|build|dist|migrations)/" --check --diff api/
+    - black --check --diff api/
 
 flake8:
   image: python:3.6
diff --git a/pyproject.toml b/pyproject.toml
index 68682d243..21dd7c106 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,3 +41,6 @@
         directory = "misc"
         name = "Other"
         showcontent = true
+
+[tool.black]
+    exclude = "(.git|.hg|.mypy_cache|.tox|.venv|_build|buck-out|build|dist|migrations)"