diff --git a/patches/stack.c.patch b/patches/stack.c.patch
new file mode 100644
index 0000000..643ee07
--- /dev/null
+++ b/patches/stack.c.patch
@@ -0,0 +1,11 @@
+--- crypto/stack/stack.c.orig	Fri Jan  9 03:12:10 2026
++++ crypto/stack/stack.c	Fri Jan  9 03:15:42 2026
+@@ -201,7 +201,7 @@
+ obj_bsearch_ex(const void *key, const void *base_, int num, int size,
+     int (*cmp)(const void *, const void *))
+ {
+-	const void *base = base_;
++	const char *base = base_; /* XXX - error C2036: 'const void *': unknown size */
+ 	int l, h, i, c;
+ 
+ 	l = 0;