diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e8f4e57..4f92686 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -45,6 +45,7 @@ jobs:
         uses: coverallsapp/github-action@v2
         with:
           files: ${{ steps.get-coverage-files.outputs.files }}
+          format: lcov
 
   build-sdist:
     name: Build source distribution
diff --git a/pyproject.toml b/pyproject.toml
index 30d29dd..f845bbb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -78,7 +78,7 @@ environment-pass = ["RUNNER_OS"]
 test-groups = ["dev"]
 test-command = [
     'python -c "import mwparserfromhell.parser._tokenizer"',
-    "pytest {project}/tests -rxs --cov=mwparserfromhell",
+    "pytest {project}/tests -rxs --cov=mwparserfromhell --cov-report=lcov:coverage.lcov",
     "python {project}/scripts/save_coverage.py",
 ]
 
diff --git a/scripts/save_coverage.py b/scripts/save_coverage.py
index 9059509..467b770 100755
--- a/scripts/save_coverage.py
+++ b/scripts/save_coverage.py
@@ -8,6 +8,6 @@ import uuid
 try:
     if os.getenv("RUNNER_OS") == "Linux":
         os.makedirs("/output", exist_ok=True)
-        shutil.move(".coverage", f"/output/coverage.{uuid.uuid4().hex}")
+        shutil.move("coverage.lcov", f"/output/coverage.{uuid.uuid4().hex}.lcov")
 except Exception:
     traceback.print_exc()