diff --git a/debian/patches/features/all/lockdown/arm64-add-kernel-config-option-to-lock-down-when.patch b/debian/patches/features/all/lockdown/arm64-add-kernel-config-option-to-lock-down-when.patch
index 14eb621b7..1a1e5e99c 100644
--- a/debian/patches/features/all/lockdown/arm64-add-kernel-config-option-to-lock-down-when.patch
+++ b/debian/patches/features/all/lockdown/arm64-add-kernel-config-option-to-lock-down-when.patch
@@ -48,6 +48,14 @@ Signed-off-by: Linn Crosetto <linn@hpe.com>
  	depends on EFI
 --- a/drivers/firmware/efi/arm-init.c
 +++ b/drivers/firmware/efi/arm-init.c
+@@ -21,6 +21,7 @@
+ #include <linux/of_fdt.h>
+ #include <linux/platform_device.h>
+ #include <linux/screen_info.h>
++#include <linux/security.h>
+ 
+ #include <asm/efi.h>
+ 
 @@ -244,6 +245,11 @@ void __init efi_init(void)
  	     "Unexpected EFI_MEMORY_DESCRIPTOR version %ld",
  	      efi.memmap.desc_version);