diff --git a/Kernel/Prekernel/Arch/aarch64/init.cpp b/Kernel/Prekernel/Arch/aarch64/init.cpp
index 86af24a419..a5f96edf24 100644
--- a/Kernel/Prekernel/Arch/aarch64/init.cpp
+++ b/Kernel/Prekernel/Arch/aarch64/init.cpp
@@ -4,8 +4,14 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/Types.h>
+
 extern "C" [[noreturn]] void init();
 extern "C" [[noreturn]] void init()
 {
     for (;;) { }
 }
+
+// FIXME: Share this with the Intel Prekernel.
+extern size_t __stack_chk_guard;
+size_t __stack_chk_guard;