diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index ede6cc373f43..4a24719026a9 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -356,7 +356,7 @@ void __init setup_arch(char **cmdline_p)
 #ifdef CONFIG_THREAD_INFO_IN_TASK
 	init_task.thread_info.ttbr0 = virt_to_phys(empty_zero_page);
 #else
-	init_thread_info.ttbr0 = (init_thread_union.thread_info);
+	init_thread_info.ttbr0 = virt_to_phys(empty_zero_page);
 #endif
 #endif