diff --git a/emulators/wine-devel/files/patch-dlls-nsiproxy.sys b/emulators/wine-devel/files/patch-dlls-nsiproxy.sys
new file mode 100644
index 000000000000..73c77e1aee35
--- /dev/null
+++ b/emulators/wine-devel/files/patch-dlls-nsiproxy.sys
@@ -0,0 +1,31 @@
+Yet another recent breakage in dlls/nsiproxy.sys, yet another patch
+submitted upstream.
+
+Plus I've adjusted my autobuilders to focus on newer versions of FreeBSD.
+
+
+commit cd10f9b73cdae715e4a1ef32ade50c65a097ebf1
+Author: Gerald Pfeifer <gerald@FreeBSD.org>
+Date:   Mon Sep 6 17:54:53 2021 +0000
+
+    nsiproxy: Include sys/param.h from udp.c.
+    
+    udp.c features specific code to handle versions of FreeBSD past early
+    12.0 snapshots. This is guarded by a check on __FreeBSD_version which
+    is defined in sys/param.h. Actually including that, like tcp.c already
+    does, activates that check and adjusted code and unbreaks the build.
+
+--- UTC
+--- dlls/nsiproxy.sys/udp.c
++++ dlls/nsiproxy.sys/udp.c
+@@ -22,6 +22,10 @@
+ #include <stdarg.h>
+ #include <stddef.h>
+ 
++#ifdef HAVE_SYS_PARAM_H
++#include <sys/param.h>
++#endif
++
+ #ifdef HAVE_SYS_TYPES_H
+ #include <sys/types.h>
+ #endif