diff --git a/target/linux/lantiq/dts/VG3503J.dtsi b/target/linux/lantiq/dts/VG3503J.dtsi
index 3e6bab5dd37065b1edd8c7fb0efaac2542fac40e..cebc4a49ca4a02979901c2ad466bf7a1d40f8499 100644
--- a/target/linux/lantiq/dts/VG3503J.dtsi
+++ b/target/linux/lantiq/dts/VG3503J.dtsi
@@ -28,12 +28,12 @@
 
 				partition@20000 {
 					label = "kernel";
-					reg = <0x20000 0x180000>;
+					reg = <0x20000 0x300000>;
 				};
 
 				partition@1a0000 {
 					label = "rootfs";
-					reg = <0x1a0000 0x5a0000>;
+					reg = <0x1a0000 0x420000>;
 				};
 
 				partition@740000 {
diff --git a/target/linux/lantiq/image/Makefile b/target/linux/lantiq/image/Makefile
index 82f0e6f3272c50a56afcd96a8a6eb549785a9455..08d80ecb1d80486068b5e8ec9e0c4c1ccb9c44d6 100644
--- a/target/linux/lantiq/image/Makefile
+++ b/target/linux/lantiq/image/Makefile
@@ -156,7 +156,7 @@ endif
 endef
 
 define Image/BuildLoader/squashfs
-	dd if=$(KDIR)/loader-$(2).bin of=$(KDIR)/loader-$(2).bin.padded bs=1536k conv=sync
+	dd if=$(KDIR)/loader-$(2).bin of=$(KDIR)/loader-$(2).bin.padded bs=3072k conv=sync
 	cat $(KDIR)/loader-$(2).bin.padded $(KDIR)/root.$(1) > $(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(1).image
 	$(call prepare_generic_squashfs,$(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(1).image)
 endef