1 files changed, 1 insertions, 0 deletions

diff --git a/cstart.S b/cstart.S
index b3bfc5d..a92f1c1 100644
--- a/cstart.S
+++ b/cstart.S
@@ -30,6 +30,7 @@ gdt32:
         .quad 0x00cf9b000000ffff // flat 32-bit code segment
         .quad 0x00cf93000000ffff // flat 32-bit data segment
         .quad 0x000f9b0f0000ffff // 64K 16-bit code segment at 0xF0000
+        .quad 0x000f93000000ffff // 64K 16-bit data segment at 0x0
 gdt32_end:
 
 gdt32_descr: