diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 982caac..20bcaba 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -61,7 +61,7 @@ jobs:
         env_vars: OS,PYTHON
         fail_ci_if_error: true
         files: ./coverage.xml,!./cache
-        coverage-files-search-exclude-folder: .mypy_cache
+        coverage-files-search-exclude-folder: "**/.mypy_cache"
         flags: unittests
         name: coverage-tox-${{ matrix.python-version }}
         verbose: true