diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index 20a94a2f36..3ff8660533 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -1,3 +1,7 @@
+2004-04-20	Ralf Corsepius <ralf_corsepius@rtems.org>
+
+	* libnetworking/Makefile.am: Add -D_KERNEL to CPPFLAGS.
+
 2004-04-20	Ralf Corsepius <ralf_corsepius@rtems.org>
 
 	* libnetworking/net/bpf.h: Partial update from FreeBSD.
diff --git a/cpukit/libnetworking/Makefile.am b/cpukit/libnetworking/Makefile.am
index 984ba001f0..26ff067c5e 100644
--- a/cpukit/libnetworking/Makefile.am
+++ b/cpukit/libnetworking/Makefile.am
@@ -21,7 +21,7 @@ UNUSED_FILES += net/ppp.h net/ppp-deflate.c net/bsd-comp.c
 if HAS_NETWORKING
 # Add -DFORWARD_PROTOCOL to enable UDP forwarding -- requires missing net/pf.h
 libnetworking_CPPFLAGS = -D_COMPILING_BSD_KERNEL_ -DKERNEL -DINET -DNFS \
-    -DDIAGNOSTIC -DBOOTP_COMPAT
+    -DDIAGNOSTIC -DBOOTP_COMPAT -D_KERNEL
 
 EXTRA_LIBRARIES = libnetworking.a
 CLEANFILES += libnetworking.a