diff --git a/arch/arm/mach-imx/cmd_mfgprot.c b/arch/arm/mach-imx/cmd_mfgprot.c
index 1430f61..29074fc 100644
--- a/arch/arm/mach-imx/cmd_mfgprot.c
+++ b/arch/arm/mach-imx/cmd_mfgprot.c
@@ -71,7 +71,7 @@
 		if (argc != 4)
 			return CMD_RET_USAGE;
 
-		m_addr = simple_strtoul(argv[2], NULL, 16);
+		m_addr = hextoul(argv[2], NULL);
 		m_size = simple_strtoul(argv[3], NULL, 10);
 		m_ptr = map_physmem(m_addr, m_size, MAP_NOCACHE);
 		if (!m_ptr)