diff --git a/target/linux/x86/Makefile b/target/linux/x86/Makefile
index f2cb459e8e..e0998571f2 100644
--- a/target/linux/x86/Makefile
+++ b/target/linux/x86/Makefile
@@ -14,6 +14,7 @@ SUBTARGETS:=64 generic zen legacy geode
 MAINTAINER:=Felix Fietkau <nbd@nbd.name>
 
 KERNEL_PATCHVER:=4.19
+KERNEL_TESTING_PATCHVER:=5.4
 
 KERNELNAME:=bzImage