diff --git a/src/coreclr/tools/Directory.Build.props b/src/coreclr/tools/Directory.Build.props
index b8e4a4e912df2..2204ecd513a5f 100644
--- a/src/coreclr/tools/Directory.Build.props
+++ b/src/coreclr/tools/Directory.Build.props
@@ -4,6 +4,8 @@
false
false
false
+
+ en-US