diff --git a/0001-sha256-fix-compilation-on-efi-ia32.patch b/0001-sha256-fix-compilation-on-efi-ia32.patch
new file mode 100644
index 0000000..cc23995
--- /dev/null
+++ b/0001-sha256-fix-compilation-on-efi-ia32.patch
@@ -0,0 +1,38 @@
+From 3185ae7c812af8ff6cabbd680b694d8a51f0c09f Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
+Date: Fri, 3 Jun 2022 09:32:02 +0200
+Subject: [PATCH] sha256: fix compilation on efi-ia32
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+/usr/bin/gcc -c ../src/fundamental/sha256.c -o src/boot/efi/sha256.c.o -Wno-format-signedness -Wno-missing-field-initializers -Wno-unused-parameter -Wdate-time -Wendif-labels -Werror=format=2 -Werror=implicit-function-declaration -Werror=incompatible-pointer-types -Werror=int-conversion -Werror=overflow -Werror=override-init -Werror=return-type -Werror=shift-count-overflow -Werror=shift-overflow=2 -Werror=undef -Wfloat-equal -Wimplicit-fallthrough=5 -Winit-self -Wlogical-op -Wmissing-include-dirs -Wmissing-noreturn -Wnested-externs -Wold-style-definition -Wpointer-arith -Wredundant-decls -Wshadow -Wstrict-aliasing=2 -Wstrict-prototypes -Wsuggest-attribute=noreturn -Wunused-function -Wwrite-strings -Wno-unused-result -fno-stack-protector -fno-strict-aliasing -fpic -fwide-exec-charset=UCS2 -Wall -Wextra -Wsign-compare -nostdlib -std=gnu99 -ffreestanding -fshort-wchar -fvisibility=hidden -isystem /usr/include/efi -isystem /usr/include/efi/ia32 -I /builddir/build/BUILD/systemd-stable-250.7/src/fundamental -DSD_BOOT -DGNU_EFI_USE_MS_ABI -include src/boot/efi/efi_config.h -include version.h -mno-sse -mno-mmx -flto -O2 -flto=auto
+../src/fundamental/sha256.c: In function ‘sha256_finish_ctx’:
+../src/fundamental/sha256.c:61:25: error: ‘false’ undeclared (first use in this function)
+   61 | # define UNALIGNED_P(p) false
+      |                         ^~~~~
+../src/fundamental/sha256.c:136:21: note: in expansion of macro ‘UNALIGNED_P’
+  136 |                 if (UNALIGNED_P(resbuf))
+      |                     ^~~~~~~~~~~
+../src/fundamental/sha256.c:32:1: note: ‘false’ is defined in header ‘<stdbool.h>’; did you forget to ‘#include <stdbool.h>’?
+   31 | #include "sha256.h"
+  +++ |+#include <stdbool.h>
+   32 |
+...
+---
+ src/fundamental/sha256.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/fundamental/sha256.c b/src/fundamental/sha256.c
+index 67d83b5f1c..f089594796 100644
+--- a/src/fundamental/sha256.c
++++ b/src/fundamental/sha256.c
+@@ -60,7 +60,7 @@
+ #  define UNALIGNED_P(p) (((size_t) p) % sizeof(uint32_t) != 0)
+ # endif
+ #else
+-# define UNALIGNED_P(p) false
++# define UNALIGNED_P(p) sd_false
+ #endif
+ 
+ /* This array contains the bytes used to pad the buffer to the next
diff --git a/systemd.spec b/systemd.spec
index c97ed97..666ff32 100644
--- a/systemd.spec
+++ b/systemd.spec
@@ -90,6 +90,7 @@ GIT_DIR=../../src/systemd/.git git diffab -M v233..master@{2017-06-15} -- hwdb/[
 # Any patches which are "in preparation" upstream should be listed here, rather
 # than in the next section. Packit CI will drop any patches in this range before
 # applying upstream pull requests.
+Patch0000:      0001-sha256-fix-compilation-on-efi-ia32.patch
 
 
 # Those are downstream-only patches, but we don't want them in packit builds: