diff --git a/src/ifcopenshell-python/test/test_open.py b/src/ifcopenshell-python/test/test_open.py
index 6bb3ecfb27..02b2f32599 100644
--- a/src/ifcopenshell-python/test/test_open.py
+++ b/src/ifcopenshell-python/test/test_open.py
@@ -21,7 +21,7 @@ import pytest
 import ifcopenshell
 
 
-TEST_FILE_DIR = Path("./test/input/")
+TEST_FILE_DIR = Path("../../test/input/")
 
 
 class TestOpen: