diff --git a/repos/dde_linux/src/lib/lx_emul/spec/x86/start.c b/repos/dde_linux/src/lib/lx_emul/spec/x86/start.c
index 4c6b26c2f3..01b29c2a95 100644
--- a/repos/dde_linux/src/lib/lx_emul/spec/x86/start.c
+++ b/repos/dde_linux/src/lib/lx_emul/spec/x86/start.c
@@ -32,7 +32,8 @@ void time_init(void)
 
 #include <asm/pgtable.h>
 
-unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
+unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]
+__attribute__((aligned(PAGE_SIZE)));
 
 void lx_emul_setup_arch(void *dtb)
 {