diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index cbdc63247d9..6a9531aa8ce 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -1461,6 +1461,7 @@ TARGET_DEVICES += renkforce_ws-wn530hp3-a
 
 define Device/samknows_whitebox-v8
   $(Device/dsa-migration)
+  $(Device/uimage-lzma-loader)
   IMAGE_SIZE := 16064k
   DEVICE_VENDOR := SamKnows
   DEVICE_MODEL := Whitebox 8