diff --git a/configs/taurus_defconfig b/configs/taurus_defconfig
index aa9eefa..2de9cad 100644
--- a/configs/taurus_defconfig
+++ b/configs/taurus_defconfig
@@ -1,4 +1,5 @@
 CONFIG_ARM=y
+CONFIG_SPL_SYS_THUMB_BUILD=y
 # CONFIG_SPL_USE_ARCH_MEMCPY is not set
 # CONFIG_SPL_USE_ARCH_MEMSET is not set
 CONFIG_ARCH_AT91=y