diff --git a/Jamroot b/Jamroot
index bce3e19730..3ccbb9d731 100644
--- a/Jamroot
+++ b/Jamroot
@@ -177,6 +177,8 @@ project boost
       <xsl:param>boost.defaults=Boost
       <conditional>@threadapi-feature.detect
     : usage-requirements <include>.
+    : default-build
+      <visibility>hidden
     : build-dir bin.v2
     ;