diff --git a/os/test_filestat.py b/os/test_filestat.py
index 91014a92..467fbd1f 100644
--- a/os/test_filestat.py
+++ b/os/test_filestat.py
@@ -1,5 +1,9 @@
 import os
 
 
-assert os.access("test_filestat.py", os.F_OK) == True
-assert os.access("test_filestat.py-not", os.F_OK) == False
+dir = "."
+if "/" in __file__:
+    dir = __file__.rsplit("/", 1)[0]
+
+assert os.access(dir + "/test_filestat.py", os.F_OK) == True
+assert os.access(dir + "/test_filestat.py-not", os.F_OK) == False