diff --git a/great_ai/large_file/large_file/large_file_base.py b/great_ai/large_file/large_file/large_file_base.py
index 92fa5d9..696b8a3 100644
--- a/great_ai/large_file/large_file/large_file_base.py
+++ b/great_ai/large_file/large_file/large_file_base.py
@@ -85,7 +85,7 @@ class LargeFileBase(ABC):
 
         self._newline = newline
 
-        LargeFileBase.cache_path.mkdir(parents=True, exist_ok=True)
+        self.cache_path.mkdir(parents=True, exist_ok=True)
 
         self._find_instances()
         self._check_mode_and_set_version()
diff --git a/tests/large_file/test_storage_safety.py b/tests/large_file/test_storage_safety.py
new file mode 100644
index 0000000..89f9750
--- /dev/null
+++ b/tests/large_file/test_storage_safety.py
@@ -0,0 +1,22 @@
+from pathlib import Path
+from typing import Iterator
+
+import pytest
+from great_ai.large_file import LargeFileBase, LargeFileLocal
+
+
+@pytest.fixture(autouse=True)
+def storage(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> Iterator[None]:
+    for implementation in (LargeFileBase, LargeFileLocal):
+        monkeypatch.setattr(implementation, "cache_path", tmp_path / "cache")
+        monkeypatch.setattr(implementation, "max_cache_size", None)
+    yield
+
+
+def test_configured_cache_directory_is_created(
+    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
+) -> None:
+    monkeypatch.setattr(LargeFileLocal, "cache_path", tmp_path / "custom-cache")
+    with LargeFileLocal("model", "w") as file:
+        file.write("weights")
+    assert LargeFileLocal("model").get().read_text() == "weights"