diff --git a/src/libs/alm/Jamfile b/src/libs/alm/Jamfile
index 6774682135..5a084e0dc4 100644
--- a/src/libs/alm/Jamfile
+++ b/src/libs/alm/Jamfile
@@ -3,6 +3,7 @@ SubDir HAIKU_TOP src libs alm ;
 SetSubDirSupportedPlatformsBeOSCompatible ;
 
 UseLibraryHeaders lp_solve linprog alm ;
+UsePrivateHeaders shared ;
 
 SharedLibrary libalm.so : 
 	Area.cpp