diff --git a/git_remote_helpers/setup.cfg b/git_remote_helpers/setup.cfg
new file mode 100644
index 0000000000..4bff8878d1
--- /dev/null
+++ b/git_remote_helpers/setup.cfg
@@ -0,0 +1,3 @@
+[build]
+build_purelib = build/lib
+build_platlib = build/lib