diff --git a/configs/ipq9574_defconfig b/configs/ipq9574_defconfig
index 50aeddc019..3d046e00f6 100644
--- a/configs/ipq9574_defconfig
+++ b/configs/ipq9574_defconfig
@@ -324,3 +324,5 @@ CONFIG_LZMA=y
 # CONFIG_ERRNO_STR is not set
 # CONFIG_UNIT_TEST is not set
 
+CONFIG_SYS_THUMB_BUILD=y
+CONFIG_HAS_THUMB2=y