diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index 5e67d46ade..0215683671 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -262,6 +262,7 @@ endef
 TARGET_DEVICES += d-team_pbr-m1
 
 define Device/edimax_ra21s
+  $(Device/uimage-lzma-loader)
   IMAGE_SIZE := 16064k
   DEVICE_VENDOR := Edimax
   DEVICE_MODEL := RA21S
@@ -293,6 +294,7 @@ endef
 TARGET_DEVICES += edimax_re23s
 
 define Device/edimax_rg21s
+  $(Device/uimage-lzma-loader)
   IMAGE_SIZE := 16064k
   DEVICE_VENDOR := Edimax
   DEVICE_MODEL := Gemini AC2600 RG21S