diff --git a/src/system/boot/platform/openfirmware/arch/ppc/Jamfile b/src/system/boot/platform/openfirmware/arch/ppc/Jamfile
index 9ddaa7abf3..651d61c6b5 100644
--- a/src/system/boot/platform/openfirmware/arch/ppc/Jamfile
+++ b/src/system/boot/platform/openfirmware/arch/ppc/Jamfile
@@ -1,6 +1,7 @@
 SubDir HAIKU_TOP src system boot platform openfirmware arch ppc ;
 
 SubDirHdrs $(HAIKU_TOP) src system boot platform $(TARGET_BOOT_PLATFORM) ;
+UsePrivateSystemHeaders ;
 UsePrivateHeaders kernel [ FDirName kernel arch $(TARGET_ARCH) ] 
 	[ FDirName kernel boot platform $(HAIKU_BOOT_PLATFORM) ] ;