diff --git a/tests/test_hocrtransform.py b/tests/test_hocrtransform.py
index 9f4a06e3..ce5672fb 100644
--- a/tests/test_hocrtransform.py
+++ b/tests/test_hocrtransform.py
@@ -33,7 +33,7 @@ def setup_module():
     with suppress(FileNotFoundError):
         shutil.rmtree(TEST_OUTPUT)
     with suppress(FileExistsError):
-        os.mkdir(TEST_OUTPUT)
+        os.makedirs(TEST_OUTPUT)
     with open(_make_output('blank.hocr'), 'w') as f:
         f.write(HOCR_TEMPLATE)
 
diff --git a/tests/test_main.py b/tests/test_main.py
index 1e7edb74..ae37ce6e 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -31,7 +31,7 @@ def setup_module():
     with suppress(FileNotFoundError):
         shutil.rmtree(TEST_OUTPUT)
     with suppress(FileExistsError):
-        os.mkdir(TEST_OUTPUT)
+        os.makedirs(TEST_OUTPUT)
 
 
 def run_ocrmypdf_sh(input_file, output_file, *args, env=None):
diff --git a/tests/test_pageinfo.py b/tests/test_pageinfo.py
index 2771734e..dc994001 100644
--- a/tests/test_pageinfo.py
+++ b/tests/test_pageinfo.py
@@ -32,7 +32,7 @@ def setup_module():
     with suppress(FileNotFoundError):
         shutil.rmtree(TEST_OUTPUT)
     with suppress(FileExistsError):
-        os.mkdir(TEST_OUTPUT)
+        os.makedirs(TEST_OUTPUT)
 
 
 def _make_input(input_basename):