diff --git a/arch/x86_64/asm/rt0_32.s b/arch/x86_64/asm/rt0_32.s
index 59ffdc2..8480a1f 100644
--- a/arch/x86_64/asm/rt0_32.s
+++ b/arch/x86_64/asm/rt0_32.s
@@ -321,6 +321,7 @@ _rt0_enter_long_mode:
 	mov es, ax
 	mov fs, ax
 	mov gs, ax
+	mov ss, ax
 
 	jmp CS_SEG:.flush_gdt - PAGE_OFFSET
 .flush_gdt: