diff --git a/Kernel/Arch/aarch64/mcontext.h b/Kernel/Arch/aarch64/mcontext.h
new file mode 100644
index 0000000000..c4ebbabab1
--- /dev/null
+++ b/Kernel/Arch/aarch64/mcontext.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2022, the SerenityOS developers.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Platform.h>
+#include <Kernel/API/POSIX/sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct __attribute__((packed)) __mcontext {
+    int stub;
+};
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/Kernel/Arch/mcontext.h b/Kernel/Arch/mcontext.h
index ee62f487bd..ff9aa4b5ae 100644
--- a/Kernel/Arch/mcontext.h
+++ b/Kernel/Arch/mcontext.h
@@ -11,5 +11,5 @@
 #if ARCH(X86_64) || ARCH(I386)
 #    include <Kernel/Arch/x86/mcontext.h>
 #elif ARCH(AARCH64)
-#    error "Unknown architecture"
+#    include <Kernel/Arch/aarch64/mcontext.h>
 #endif