diff --git a/init.d/localmount.in b/init.d/localmount.in
index efbddc79..166ee774 100644
--- a/init.d/localmount.in
+++ b/init.d/localmount.in
@@ -37,16 +37,10 @@ stop()
 	local x= no_umounts_r="/|/dev|/dev/.*|${RC_SVCDIR}"
 	no_umounts_r="${no_umounts_r}|/bin|/sbin|/lib|/libexec"
 	# RC_NO_UMOUNTS is an env var that can be set by plugins
-	local OIFS=$IFS SIFS=${IFS-y}
-	IFS=$IFS:
+	local IFS="$IFS:"
 	for x in $no_umounts $RC_NO_UMOUNTS; do
 		no_umounts_r="$no_umounts_r|$x"
 	done
-	if [ "$SIFS" = y ]; then
-		IFS=$OIFS
-	else
-		unset IFS
-	fi
 
 	if [ "$RC_UNAME" = Linux ]; then
 		no_umounts_r="$no_umounts_r|/proc|/proc/.*|/run|/sys|/sys/.*"
diff --git a/init.d/mount-ro.in b/init.d/mount-ro.in
index dc2a098e..7049d4b1 100644
--- a/init.d/mount-ro.in
+++ b/init.d/mount-ro.in
@@ -22,16 +22,10 @@ start()
 	local m="/dev|/dev/.*|/proc|/proc.*|/sys|/sys/.*|${RC_SVCDIR}" x= fs=
 	m="$m|/bin|/sbin|/lib|/libexec"
 	# RC_NO_UMOUNTS is an env var that can be set by plugins
-	local OIFS=$IFS SIFS=${IFS-y} IFS=$IFS
-	IFS=$IFS:
+	local IFS="$IFS:"
 	for x in $no_umounts $RC_NO_UMOUNTS; do
 		m="$m|$x"
 	done
-	if [ "$SIFS" = y ]; then
-		IFS=$OIFS
-	else
-		unset IFS
-	fi
 	m="^($m)$"
 	fs=
 	for x in $net_fs_list $extra_net_fs_list; do