diff --git a/build_patches/openwrt/0051-ipq40xx-retain-old-compat_version.patch b/build_patches/openwrt/0051-ipq40xx-retain-old-compat_version.patch
new file mode 100644
index 0000000..a0237b9
--- /dev/null
+++ b/build_patches/openwrt/0051-ipq40xx-retain-old-compat_version.patch
@@ -0,0 +1,17 @@
+From: =?UTF-8?q?Fabian=20Bl=C3=A4se?= <fabian@blaese.de>
+Date: Tue, 8 Aug 2023 20:59:16 +0200
+Subject: [PATCH] ipq40xx: retain old compat_version
+
+diff --git a/target/linux/ipq40xx/image/Makefile b/target/linux/ipq40xx/image/Makefile
+index 2ba4c779a0..5851b29875 100644
+--- a/target/linux/ipq40xx/image/Makefile
++++ b/target/linux/ipq40xx/image/Makefile
+@@ -10,8 +10,6 @@ define Device/Default
+ 	IMAGES := sysupgrade.bin
+ 	IMAGE/sysupgrade.bin = sysupgrade-tar | append-metadata
+ 	IMAGE/sysupgrade.bin/squashfs :=
+-	DEVICE_COMPAT_VERSION := 1.1
+-	DEVICE_COMPAT_MESSAGE := Config cannot be migrated from swconfig to DSA
+ endef
+ 
+ include $(SUBTARGET).mk