diff --git a/target/linux/ar71xx/image/tp-link.mk b/target/linux/ar71xx/image/tp-link.mk
index d0a0b3303b..574438c1d0 100644
--- a/target/linux/ar71xx/image/tp-link.mk
+++ b/target/linux/ar71xx/image/tp-link.mk
@@ -760,7 +760,7 @@ define Device/tl-wr710n-v2.1
 endef
 
 define Device/tl-wr720n-v3
-  $(Device/tplink-16mlzma)
+  $(Device/tplink-8mlzma)
   DEVICE_TITLE := TP-LINK TL-WR720N v3
   DEVICE_PACKAGES := kmod-usb-core kmod-usb2
   BOARDNAME := TL-WR720N-v3
@@ -990,7 +990,7 @@ define Device/tl-wr842n-v1
 endef
 
 define Device/tl-wr842n-v2
-  $(Device/tplink-16mlzma)
+  $(Device/tplink-8mlzma)
   DEVICE_TITLE := TP-LINK TL-WR842N/ND v2
   DEVICE_PACKAGES := kmod-usb-core kmod-usb2 kmod-usb-ledtrig-usbport
   BOARDNAME := TL-WR842N-v2
@@ -1117,4 +1117,4 @@ define Device/tl-wr942n-v1
   MTDPARTS := spi0.0:128k(u-boot)ro,1344k(kernel),13120k(rootfs),64k(product-info)ro,64k(partition-table)ro,256k(oem-config)ro,1344k(oem-vars)ro,64k(ART)ro,14464k@0x20000(firmware)
   SUPPORTED_DEVICES := tl-wr942n-v1
 endef
-TARGET_DEVICES += tl-wr940n-v4 tl-wr941nd-v2 tl-wr941nd-v3 tl-wr941nd-v4 tl-wr941nd-v5 tl-wr941nd-v6 tl-wr941nd-v6-cn
+TARGET_DEVICES += tl-wr940n-v4 tl-wr941nd-v2 tl-wr941nd-v3 tl-wr941nd-v4 tl-wr941nd-v5 tl-wr941nd-v6 tl-wr941nd-v6-cn
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