diff --git a/mk/os.mk b/mk/os.mk
index 7993820b..73faf43c 100644
--- a/mk/os.mk
+++ b/mk/os.mk
@@ -17,6 +17,6 @@ _PKG_PREFIX_SH=	if test -n "${PKG_PREFIX}" && test "${PKG_PREFIX}" != "/" && tes
 _PKG_PREFIX!=	${_PKG_PREFIX_SH}
 CFLAGS+=	${_PKG_PREFIX}$(shell ${_PKG_PREFIX_SH})
 
-_LCL_PREFIX_SH=	if test -n "${LOCAL_PREFIX}" && test "${LOCAL_PREFIX}" != "/"; then echo "-DLOCAL_PREFIX=\\\"${LOCAL_PREFIX}\\\""; else echo ""; fi
+_LCL_PREFIX_SH=	if test -n "${LOCAL_PREFIX}" && test "${LOCAL_PREFIX}" != "/" && test "${LOCAL_PREFIX}" != "${PREFIX}"; then echo "-DLOCAL_PREFIX=\\\"${LOCAL_PREFIX}\\\""; else echo ""; fi
 _LCL_PREFIX!=	${_LCL_PREFIX_SH}
 CFLAGS+=	${_LCL_PREFIX}$(shell ${_LCL_PREFIX_SH})
diff --git a/mk/scripts.mk b/mk/scripts.mk
index ce3b25aa..5404e952 100644
--- a/mk/scripts.mk
+++ b/mk/scripts.mk
@@ -6,9 +6,12 @@ include ${MK}/os.mk
 
 OBJS+=	${SRCS:.in=}
 
-_SED_PREFIX_SH=		if test "${PREFIX}" = "${PKG_PREFIX}"; then echo "-e 's:@PKG_PREFIX@::g'"; else echo "-e 's:@PKG_PREFIX@:${PKG_PREFIX}:g'"; fi
-_SED_PREFIX!=		${_SED_PREFIX_SH}
-SED_REPLACE=		-e 's:@SHELL@:${SH}:g' -e 's:@LIB@:${LIBNAME}:g' -e 's:@SYSCONFDIR@:${SYSCONFDIR}:g' -e 's:@PREFIX@:${PREFIX}:g' ${_SED_PREFIX}$(shell ${_SED_PREFIX_SH})  -e 's:@LOCAL_PREFIX@:${LOCAL_PREFIX}:g'	
+_PKG_SED_SH=		if test "${PREFIX}" = "${PKG_PREFIX}"; then echo "-e 's:@PKG_PREFIX@::g'"; else echo "-e 's:@PKG_PREFIX@:${PKG_PREFIX}:g'"; fi
+_PKG_SED!=		${_PKG_SED_SH}
+_LCL_SED_SH=		if test "${PREFIX}" = "${LOCAL_PREFIX}"; then echo "-e 's:@LOCAL_PREFIX@::g'"; else echo "-e 's:@LOCAL_PREFIX@:${LOCAL_PREFIX}:g'"; fi
+_LCL_SED!=		${_LCL_SED_SH}
+
+SED_REPLACE=		-e 's:@SHELL@:${SH}:g' -e 's:@LIB@:${LIBNAME}:g' -e 's:@SYSCONFDIR@:${SYSCONFDIR}:g' -e 's:@PREFIX@:${PREFIX}:g' ${_PKG_SED}$(shell ${_PKG_SED_SH}) ${_LCL_SED}$(shell ${_LCL_SED_SH})
 
 # Tweak our shell scripts
 .SUFFIXES:	.sh.in .in