diff --git a/net/ucx/files/patch-src_uct_ib_base_ib__device.c b/net/ucx/files/patch-src_uct_ib_base_ib__device.c
new file mode 100644
index 000000000000..7916113cbb69
--- /dev/null
+++ b/net/ucx/files/patch-src_uct_ib_base_ib__device.c
@@ -0,0 +1,17 @@
+--- src/uct/ib/base/ib_device.c.orig	2026-03-02 11:31:24 UTC
++++ src/uct/ib/base/ib_device.c
+@@ -30,6 +30,14 @@
+ #include <rdma/rdma_netlink.h>
+ #endif
+ 
++#ifndef s6_addr32
++#  if defined(__FreeBSD__)
++#    define s6_addr32 __u6_addr.__u6_addr32
++#  elif defined(__linux__)
++#    define s6_addr32 u6_addr.u6_addr32
++#  endif
++#endif
++
+ #define UCT_IB_DEVICE_LOOPBACK_NDEV_INDEX_INVALID 0
+ 
+