diff --git a/target/linux/brcm63xx/base-files/etc/uci-defaults/brcm63xx_fixcrc.sh b/target/linux/brcm63xx/base-files/etc/uci-defaults/brcm63xx_fixcrc.sh
new file mode 100755
index 0000000000..fe35dc7613
--- /dev/null
+++ b/target/linux/brcm63xx/base-files/etc/uci-defaults/brcm63xx_fixcrc.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# Copyright (C) 2007 OpenWrt.org
+#
+#
+
+. /lib/brcm63xx.sh
+
+do_fixcrc() {
+	mtd fixtrx linux
+}
+
+brcm63xx_detect
+
+case "$board_name" in
+	"bcm63xx/CPVA642 "*)
+		do_fixcrc
+		;;
+esac
+