diff --git a/src/boot/boot.c b/src/boot/boot.c
index 87b0232860..129d6f8f5d 100644
--- a/src/boot/boot.c
+++ b/src/boot/boot.c
@@ -2469,11 +2469,7 @@ static EFI_STATUS initrd_prepare(
                         return EFI_OUT_OF_RESOURCES;
         }
 
-        _cleanup_pages_ Pages pages = xmalloc_pages(
-                AllocateMaxAddress,
-                EfiLoaderData,
-                EFI_SIZE_TO_PAGES(size),
-                UINT32_MAX /* Below 4G boundary. */);
+        _cleanup_pages_ Pages pages = xmalloc_initrd_pages(size);
         uint8_t *p = PHYSICAL_ADDRESS_TO_POINTER(pages.addr);
 
         STRV_FOREACH(i, entry->initrd) {
diff --git a/src/boot/stub.c b/src/boot/stub.c
index 7261e942d3..c92df686c8 100644
--- a/src/boot/stub.c
+++ b/src/boot/stub.c
@@ -114,12 +114,9 @@ static EFI_STATUS combine_initrds(
                 n += initrd_size;
         }
 
-        _cleanup_pages_ Pages pages = xmalloc_pages(
-                        AllocateMaxAddress,
-                        EfiLoaderData,
-                        EFI_SIZE_TO_PAGES(n),
-                        UINT32_MAX /* Below 4G boundary. */);
+        _cleanup_pages_ Pages pages = xmalloc_initrd_pages(n);
         uint8_t *p = PHYSICAL_ADDRESS_TO_POINTER(pages.addr);
+
         FOREACH_ARRAY(i, initrds, n_initrds) {
                 size_t pad;
 
diff --git a/src/boot/util.h b/src/boot/util.h
index c7634576cf..3164d520bd 100644
--- a/src/boot/util.h
+++ b/src/boot/util.h
@@ -99,6 +99,22 @@ static inline Pages xmalloc_pages(
         };
 }
 
+static inline Pages xmalloc_initrd_pages(size_t n_pages) {
+#if defined(__i386__) || defined(__x86_64__)
+        return xmalloc_pages(
+                        AllocateMaxAddress,
+                        EfiLoaderData,
+                        EFI_SIZE_TO_PAGES(n_pages),
+                        UINT32_MAX /* Below 4G boundary. */);
+#else
+        return xmalloc_pages(
+                        AllocateAnyPages,
+                        EfiLoaderData,
+                        EFI_SIZE_TO_PAGES(n_pages),
+                        0 /* Ignored. */);
+#endif
+}
+
 void convert_efi_path(char16_t *path);
 char16_t *xstr8_to_path(const char *stra);
 char16_t *mangle_stub_cmdline(char16_t *cmdline);