diff --git a/Makefile.inc1 b/Makefile.inc1
index 6c8a6859a0bd..873b1c0a0d0e 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -691,7 +691,6 @@ PACKAGE=	kernel
 #	This stage installs a previously built world.
 #
 
-CFLAGS+= -D__RAVYNOS__ -D__MACH__
 BOOTSTRAPPING?=	0
 # Keep these in sync
 MINIMUM_SUPPORTED_OSREL?= 1104001
diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk
index de91e00d8cc7..4317a7bd90be 100644
--- a/share/mk/bsd.sys.mk
+++ b/share/mk/bsd.sys.mk
@@ -509,6 +509,8 @@ ${_tgt}: ${META_DEPS}
 .endfor
 .endif
 
+CFLAGS+= -D__RAVYNOS__ -D__MACH__
+
 # we are generally the last makefile read
 CFLAGS+= ${CFLAGS_LAST}
 CXXFLAGS+= ${CXXFLAGS_LAST}