diff --git a/openwrt_patches-21.02/9990-fit-replace-@-with--.patch b/openwrt_patches-21.02/9990-fit-replace-@-with--.patch
new file mode 100644
index 0000000..8a9f5f8
--- /dev/null
+++ b/openwrt_patches-21.02/9990-fit-replace-@-with--.patch
@@ -0,0 +1,101 @@
+diff --git a/scripts/mkits.sh b/scripts/mkits.sh
+index 42a8818..9cb1407 100755
+--- a/scripts/mkits.sh
++++ b/scripts/mkits.sh
+@@ -72,27 +72,27 @@ ARCH_UPPER=$(echo "$ARCH" | tr '[:lower:]' '[:upper:]')
+ # Conditionally create fdt information
+ if [ -n "${DTB}" ]; then
+ 	FDT_NODE="
+-		fdt@$FDTNUM {
++		fdt-$FDTNUM {
+ 			description = \"${ARCH_UPPER} OpenWrt ${DEVICE} device tree blob\";
+ 			data = /incbin/(\"${DTB}\");
+ 			type = \"flat_dt\";
+ 			arch = \"${ARCH}\";
+ 			compression = \"none\";
+-			hash@1 {
++			hash-1 {
+ 				algo = \"crc32\";
+ 			};
+-			hash@2 {
++			hash-2 {
+ 				algo = \"sha1\";
+ 			};
+ 		};
+ "
+-	FDT_PROP="fdt = \"fdt@$FDTNUM\";"
++	FDT_PROP="fdt = \"fdt-$FDTNUM\";"
+ fi
+ 
+ # Conditionally create script information
+ if [ -n "${UBOOT_SCRIPT}" ]; then
+ 	SCRIPT="\
+-		script@1 {
++		script-1 {
+ 			description = \"U-Boot Script\";
+ 			data = /incbin/(\"${UBOOT_SCRIPT}\");
+ 			type = \"script\";
+@@ -101,16 +101,16 @@ if [ -n "${UBOOT_SCRIPT}" ]; then
+ 			load = <0>;
+ 			entry = <0>;
+ 			compression = \"none\";
+-			hash@1 {
++			hash-1 {
+ 				algo = \"crc32\";
+ 			};
+-			hash@2 {
++			hash-2 {
+ 				algo = \"sha1\";
+ 			};
+ 		};\
+ "
+ 	LOADABLES="\
+-			loadables = \"script@1\";\
++			loadables = \"script-1\";\
+ "
+ 	SIGN_IMAGES="\
+ 				sign-images = \"fdt\", \"kernel\", \"loadables\";\
+@@ -147,7 +147,7 @@ DATA="/dts-v1/;
+ 	#address-cells = <1>;
+ 
+ 	images {
+-		kernel@1 {
++		kernel-1 {
+ 			description = \"${ARCH_UPPER} OpenWrt Linux-${VERSION}\";
+ 			data = /incbin/(\"${KERNEL}\");
+ 			type = \"kernel\";
+@@ -156,10 +156,10 @@ DATA="/dts-v1/;
+ 			compression = \"${COMPRESS}\";
+ 			load = <${LOAD_ADDR}>;
+ 			entry = <${ENTRY_ADDR}>;
+-			hash@1 {
++			hash-1 {
+ 				algo = \"crc32\";
+ 			};
+-			hash@2 {
++			hash-2 {
+ 				algo = \"sha1\";
+ 			};
+ 		};
+@@ -173,7 +173,7 @@ ${SCRIPT}
+ 			description = \"OpenWrt\";
+ ${FIT_AR_VER}
+ ${LOADABLES}
+-			kernel = \"kernel@1\";
++			kernel = \"kernel-1\";
+ 			${FDT_PROP}
+ ${SIGNATURE}
+ 		};
+diff --git a/include/image-commands.mk b/include/image-commands.mk
+index 51e7459..5a3f624 100644
+--- a/include/image-commands.mk
++++ b/include/image-commands.mk
+@@ -202,7 +202,7 @@ define Build/fit
+ 		$(if $(word 2,$(1)),-d $(word 2,$(1))) -C $(word 1,$(1)) \
+ 		-a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
+ 		$(if $(DEVICE_FDT_NUM),-n $(DEVICE_FDT_NUM)) \
+-		-c $(if $(DEVICE_DTS_CONFIG),$(DEVICE_DTS_CONFIG),"config@1") \
++		-c $(if $(DEVICE_DTS_CONFIG),$(DEVICE_DTS_CONFIG),"config-1") \
+ 		-A $(LINUX_KARCH) -v $(LINUX_VERSION)
+ 	PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $@.its $@.new
+ 	@mv $@.new $@