diff --git a/src/kernel/core/disk_device_manager/Jamfile b/src/kernel/core/disk_device_manager/Jamfile
index ea97db3a70..1ae8ff5e59 100644
--- a/src/kernel/core/disk_device_manager/Jamfile
+++ b/src/kernel/core/disk_device_manager/Jamfile
@@ -1,12 +1,13 @@
 SubDir OBOS_TOP src kernel core disk_device_manager ;
 
 SEARCH_SOURCE += [ FDirName $(SUBDIR) jobs ] ;
-SEARCH_SOURCE += [ FDirName $(TOP) src kits storage ] ;	# DiskDeviceTypes.cpp
+SEARCH_SOURCE += [ FDirName $(OBOS_TOP) src kits storage ] ;
+	# DiskDeviceTypes.cpp
 
 UsePrivateHeaders [ FDirName kernel disk_device_manager ] ;
 UsePrivateHeaders [ FDirName shared ] ;
 UsePrivateHeaders [ FDirName storage ] ;
-UseHeaders [ FDirName $(TOP) src tests kits storage virtualdrive ] ;
+UseHeaders [ FDirName $(OBOS_TOP) src tests kits storage virtualdrive ] ;
 
 SharedLibrary disk_device_manager :
 	KDiskDevice.cpp