diff --git a/src/lj_jit.h b/src/lj_jit.h
index 66aa9aad..911c899c 100644
--- a/src/lj_jit.h
+++ b/src/lj_jit.h
@@ -86,7 +86,7 @@
 #define JIT_F_OPT_DEFAULT	JIT_F_OPT_3
 
 #if LJ_TARGET_WINDOWS || LJ_64
-/* See: http://blogs.msdn.com/oldnewthing/archive/2003/10/08/55239.aspx */
+/* See: https://devblogs.microsoft.com/oldnewthing/20031008-00/?p=42223 */
 #define JIT_P_sizemcode_DEFAULT		64
 #else
 /* Could go as low as 4K, but the mmap() overhead would be rather high. */