diff --git a/src/add-ons/kernel/bus_managers/pci/arch/ppc/Jamfile b/src/add-ons/kernel/bus_managers/pci/arch/ppc/Jamfile
index c79813f07b..e8916fdac5 100644
--- a/src/add-ons/kernel/bus_managers/pci/arch/ppc/Jamfile
+++ b/src/add-ons/kernel/bus_managers/pci/arch/ppc/Jamfile
@@ -1,6 +1,6 @@
 SubDir OBOS_TOP src add-ons kernel bus_managers pci arch ppc ;
 
-SubDirHdrs [ FDirName $(OBOS_TOP) src add-ons kernel bus_managers pci ] ;
+SubDirHdrs [ FDirName $(SUBDIR) $(DOTDOT) $(DOTDOT) ] ;
 
 KernelStaticLibrary pci_arch_bus_manager :
 	pci_config.c
diff --git a/src/add-ons/kernel/bus_managers/pci/arch/x86/Jamfile b/src/add-ons/kernel/bus_managers/pci/arch/x86/Jamfile
index 6214852bd4..610409b0ad 100644
--- a/src/add-ons/kernel/bus_managers/pci/arch/x86/Jamfile
+++ b/src/add-ons/kernel/bus_managers/pci/arch/x86/Jamfile
@@ -1,6 +1,6 @@
 SubDir OBOS_TOP src add-ons kernel bus_managers pci arch x86 ;
 
-SubDirHdrs [ FDirName $(OBOS_TOP) src add-ons kernel bus_managers pci ] ;
+SubDirHdrs [ FDirName $(SUBDIR) $(DOTDOT) $(DOTDOT) ] ;
 
 KernelStaticLibrary pci_arch_bus_manager : 
 	bios.c