diff --git a/include/configs/tricorder.h b/include/configs/tricorder.h
index 02b0e6351f..0ab69e665a 100644
--- a/include/configs/tricorder.h
+++ b/include/configs/tricorder.h
@@ -17,6 +17,7 @@
 #define __CONFIG_H
 
 /* High Level Configuration Options */
+#define CONFIG_SYS_THUMB_BUILD
 #define CONFIG_OMAP			/* in a TI OMAP core */
 #define CONFIG_OMAP_COMMON
 /* Common ARM Erratas */