diff --git a/include/configs/tegra20-common.h b/include/configs/tegra20-common.h
index 1c0d235..e6d42b0 100644
--- a/include/configs/tegra20-common.h
+++ b/include/configs/tegra20-common.h
@@ -191,6 +191,7 @@
 #define CONFIG_CMD_GPIO
 #define CONFIG_CMD_ENTERRCM
 #define CONFIG_CMD_BOOTZ
+#define CONFIG_SYS_THUMB_BUILD
 
 /* Defines for SPL */
 #define CONFIG_SPL