diff --git a/Lib/test/test_sunaudiodev.py b/Lib/test/test_sunaudiodev.py
index aa85752e20b..7e9d1b1e176 100644
--- a/Lib/test/test_sunaudiodev.py
+++ b/Lib/test/test_sunaudiodev.py
@@ -5,7 +5,12 @@
 def findfile(file):
 	if os.path.isabs(file): return file
 	import sys
-	for dn in sys.path:
+	path = sys.path
+	try:
+		path = [os.path.dirname(__file__)] + path
+	except NameError:
+		pass
+	for dn in path:
 		fn = os.path.join(dn, file)
 		if os.path.exists(fn): return fn
 	return file