diff --git a/configs/m53menlo_defconfig b/configs/m53menlo_defconfig
index 5903ddd..2c065c6 100644
--- a/configs/m53menlo_defconfig
+++ b/configs/m53menlo_defconfig
@@ -1,4 +1,5 @@
 CONFIG_ARM=y
+CONFIG_SYS_THUMB_BUILD=y
 CONFIG_ARCH_MX5=y
 CONFIG_SYS_TEXT_BASE=0x71000000
 CONFIG_SPL_GPIO=y