diff --git a/src/add-ons/kernel/file_systems/Jamfile b/src/add-ons/kernel/file_systems/Jamfile
index 2a45898299..1b4e18af5f 100644
--- a/src/add-ons/kernel/file_systems/Jamfile
+++ b/src/add-ons/kernel/file_systems/Jamfile
@@ -1,4 +1,5 @@
 SubDir OBOS_TOP src add-ons kernel file_systems ;
 
+SubInclude OBOS_TOP src add-ons kernel file_systems dos ;
 SubInclude OBOS_TOP src add-ons kernel file_systems bfs ;
 SubInclude OBOS_TOP src add-ons kernel file_systems iso9660 ;