diff --git a/include/configs/colibri_t20.h b/include/configs/colibri_t20.h
index 122294de6f..94e17bbb7c 100644
--- a/include/configs/colibri_t20.h
+++ b/include/configs/colibri_t20.h
@@ -27,10 +27,14 @@
 #define CONFIG_TEGRA_NAND
 #define CONFIG_SYS_MAX_NAND_DEVICE	1
 
-/* Environment in NAND, 64K is a bit excessive but erase block is 512K anyway */
+#define UBOOT_UPDATE \
+	"update_uboot=nand erase.part u-boot && " \
+		"nand write ${loadaddr} u-boot ${filesize}\0" \
 
+/* Environment in NAND, 64K is a bit excessive but erase block is 512K anyway */
 #define BOARD_EXTRA_ENV_SETTINGS \
-	"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0"
+	"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
+	UBOOT_UPDATE
 
 /* Increase console I/O buffer size */
 #undef CONFIG_SYS_CBSIZE