diff --git a/target/linux/bcm53xx/image/Makefile b/target/linux/bcm53xx/image/Makefile
index 504ecff138e03cf324afde5761b3260f3c371aed..c8e4777a363411dd5efa9945c397c63ca9fa8d1a 100644
--- a/target/linux/bcm53xx/image/Makefile
+++ b/target/linux/bcm53xx/image/Makefile
@@ -223,7 +223,7 @@ endef
 
 define Device/tenda-ac9
   DEVICE_TITLE := Tenda AC9
-  DEVICE_PACKAGES := $(USB2_PACKAGES)
+  DEVICE_PACKAGES := kmod-b43 $(USB2_PACKAGES)
   IMAGES := trx
   IMAGE/trx := append-rootfs | trx-serial
 endef