diff --git a/arch/arm/boards/sysmobts/board.c b/arch/arm/boards/sysmobts/board.c
index f1f2ac727..ae57c3866 100644
--- a/arch/arm/boards/sysmobts/board.c
+++ b/arch/arm/boards/sysmobts/board.c
@@ -118,6 +118,12 @@ static void sysmobts_board_detect(void)
 	} else {
 		sysmobts_config_eeprom("24c64");
 	}
+
+	/* disable nand write protect */
+	if (board_ver == 5) {
+		gpio_direction_output(33, 1);
+		udelay(100);
+	}
 }
 
 static int sysmobts_set_ethaddr(void)