diff --git a/build/repo.props b/build/repo.props
index 2c14e6176a..799ff45854 100644
--- a/build/repo.props
+++ b/build/repo.props
@@ -13,6 +13,8 @@
$(RepositoryRoot).deps\build\
$(RepositoryRoot).deps\Signed\Packages\
+
+ true
$(RepositoryRoot)eng\signcheck.exclusions.txt
true