diff --git a/tests/test_benchmark/conftest.py b/tests/test_benchmark/conftest.py
index f62c450..73bd11a 100644
--- a/tests/test_benchmark/conftest.py
+++ b/tests/test_benchmark/conftest.py
@@ -25,4 +25,9 @@ def pytest_addoption(parser):
 @pytest.fixture
 def benchmark_py_file(request):
     fd = request.config.getoption("--benchmark-py-file", skip=True)
+
+    if fd.tell() > 0:
+        # Read calls from previous tests exhaust the file descriptor
+        fd.seek(0)
+
     return ast.parse(fd.read())