diff --git a/target/linux/ar71xx/image/Makefile b/target/linux/ar71xx/image/Makefile
index 5148967a39..57eb5ff310 100644
--- a/target/linux/ar71xx/image/Makefile
+++ b/target/linux/ar71xx/image/Makefile
@@ -177,7 +177,7 @@ planex_mtdlayout=mtdparts=spi0.0:256k(u-boot)ro,64k(u-boot-env)ro,1024k(kernel),
 ubntxm_mtdlayout=mtdparts=spi0.0:256k(u-boot)ro,64k(u-boot-env)ro,7552k(firmware),256k(cfg)ro,64k(EEPROM)ro
 uap_pro_mtdlayout=mtdparts=spi0.0:256k(u-boot)ro,64k(u-boot-env)ro,1536k(kernel),14208k(rootfs),256k(cfg)ro,64k(EEPROM)ro,15744k@0x50000(firmware)
 ubdev_mtdlayout=mtdparts=spi0.0:256k(u-boot)ro,64k(u-boot-env)ro,7488k(firmware),64k(certs),256k(cfg)ro,64k(EEPROM)ro
-whrhpg300n_mtdlayout=mtdparts=spi0.0:248k(u-boot)ro,8k(u-boot-env)ro,1024k(kernel),2752k(rootfs),64k(art)ro,3712k@0x40000(firmware)
+whrhpg300n_mtdlayout=mtdparts=spi0.0:248k(u-boot)ro,8k(u-boot-env)ro,3712k(firmware),64k(art)ro
 wndap360_mtdlayout=mtdparts=spi0.0:256k(u-boot)ro,64k(u-boot-env)ro,1728k(kernel),6016k(rootfs),64k(nvram)ro,64k(art)ro,7744k@0x50000(firmware)
 wnr2000v3_mtdlayout=mtdparts=spi0.0:256k(u-boot)ro,64k(u-boot-env)ro,1024k(kernel),2688k(rootfs),64k(art)ro,3712k@0x50000(firmware)
 wndr3700_mtdlayout=mtdparts=spi0.0:320k(u-boot)ro,128k(u-boot-env)ro,1152k(kernel),6528k(rootfs),64k(art)ro,7680k@0x70000(firmware)
@@ -316,7 +316,7 @@ endef
 
 define Image/Build/WHRHPG300N
 	$(call MkuImageLzma,$(2),$(3) $(4))
-	$(call Sysupgrade/KRuImage,$(1),$(2),1048576,2818048)
+	$(call Sysupgrade/KRuImage,$(1),$(2),65536,2818048)
 	if [ -e "$(call sysupname,$(1),$(2))" ]; then \
 		( \
 			echo -n -e "# Airstation Public Fmt1\x00\x00\x00\x00\x00\x00\x00\x00"; \