diff --git a/src/arch/x86_64/boot.asm b/src/arch/x86_64/boot.asm
index 8d75e6c..cf90136 100644
--- a/src/arch/x86_64/boot.asm
+++ b/src/arch/x86_64/boot.asm
@@ -156,7 +156,7 @@ p2_table:
 p1_table:
 	resb 4096
 stack_bottom:
-	resb 64
+	resb 4096 * 4
 stack_top:
 
 section .rodata