diff --git a/src/ifcopenshell-python/test/test_streaming_rocksdb_and_simpletyperefs.py b/src/ifcopenshell-python/test/test_streaming_rocksdb_and_simpletyperefs.py
index 98e938d6ce..a10a6ee5d4 100644
--- a/src/ifcopenshell-python/test/test_streaming_rocksdb_and_simpletyperefs.py
+++ b/src/ifcopenshell-python/test/test_streaming_rocksdb_and_simpletyperefs.py
@@ -80,6 +80,7 @@ def test_memusage_partial_open():
     import sys
 
     script = f"""
+import sys; sys.path.remove('')
 import psutil
 import ifcopenshell