diff --git a/src/prefs/backgrounds/Jamfile b/src/prefs/backgrounds/Jamfile
index 15bb68a632..df6b4f8eaa 100644
--- a/src/prefs/backgrounds/Jamfile
+++ b/src/prefs/backgrounds/Jamfile
@@ -1,5 +1,7 @@
 SubDir OBOS_TOP src prefs backgrounds ;
 
+UsePrivateHeaders shared ;
+
 AddResources Backgrounds : Backgrounds.rsrc ;
 
 Preference Backgrounds : BackgroundImage.cpp BGMain.cpp BGView.cpp BGWindow.cpp ;