diff --git a/Lib/test/double_const.py b/Lib/test/double_const.py
index 5ea6de0..16c33a1 100644
--- a/Lib/test/double_const.py
+++ b/Lib/test/double_const.py
@@ -1,4 +1,4 @@
-from test_support import TestFailed
+from test.test_support import TestFailed
 
 # A test for SF bug 422177:  manifest float constants varied way too much in
 # precision depending on whether Python was loading a module for the first