diff --git a/ydb/library/actors/interconnect/interconnect_address.cpp b/ydb/library/actors/interconnect/interconnect_address.cpp
index 3bf66ab87d27..76c1ba616cb9 100644
--- a/ydb/library/actors/interconnect/interconnect_address.cpp
+++ b/ydb/library/actors/interconnect/interconnect_address.cpp
@@ -8,6 +8,16 @@
 #include <sys/stat.h>
 #endif
 
+#if defined(__APPLE__) || defined(_darwin_)
+/* OSX seems not to define these. */
+#ifndef s6_addr16
+#define s6_addr16 __u6_addr.__u6_addr16
+#endif
+#ifndef s6_addr32
+#define s6_addr32 __u6_addr.__u6_addr32
+#endif
+#endif
+
 namespace NInterconnect {
     TAddress::TAddress() {
         memset(&Addr, 0, sizeof(Addr));
@@ -104,10 +114,11 @@ namespace NInterconnect {
         return p ? TString(p) : TString();
     }
 
-    TAddress::TV6Addr TAddress::GetV6CompatAddr() const {
-        switch (GetFamily()) {
+#if not defined(_win32_)
+    TAddress::TV6Addr GetV6CompatAddr(const NInterconnect::TAddress& a) noexcept {
+        switch (a.GetFamily()) {
             case AF_INET: {
-                TV6Addr addr;
+                TAddress::TV6Addr addr;
                 addr.s6_addr16[0] = 0;
                 addr.s6_addr16[1] = 0;
                 addr.s6_addr16[2] = 0;
@@ -115,17 +126,18 @@ namespace NInterconnect {
                 addr.s6_addr16[4] = 0;
                 addr.s6_addr16[5] = Max<ui16>();
                 addr.s6_addr16[6] = Max<ui16>();
-                addr.s6_addr32[3] = Addr.Ipv4.sin_addr.s_addr;
+                addr.s6_addr32[3] = a.Addr.Ipv4.sin_addr.s_addr;
                 return addr;
             }
             case AF_INET6:
-                return Addr.Ipv6.sin6_addr;
+                return a.Addr.Ipv6.sin6_addr;
             default: {
-                TV6Addr addr;
+                TAddress::TV6Addr addr;
                 memset(&addr, 0, sizeof(addr));
                 return addr;
             }
             break;
         }
     }
+#endif
 }
diff --git a/ydb/library/actors/interconnect/interconnect_address.h b/ydb/library/actors/interconnect/interconnect_address.h
index 3cf28b30f377..dd765c90ffd3 100644
--- a/ydb/library/actors/interconnect/interconnect_address.h
+++ b/ydb/library/actors/interconnect/interconnect_address.h
@@ -7,13 +7,13 @@
 
 namespace NInterconnect {
     class TAddress {
+    public:
         union {
             sockaddr Generic;
             sockaddr_in Ipv4;
             sockaddr_in6 Ipv6;
         } Addr;
 
-    public:
         using TV6Addr = in6_addr;
         TAddress();
         TAddress(const char* addr, ui16 port);
@@ -44,7 +44,9 @@ namespace NInterconnect {
             res.Addr.Ipv6.sin6_addr = in6addr_any;
             return res;
         }
-
-        TV6Addr GetV6CompatAddr() const;
     };
+
+#if not defined(_win32_)
+    TAddress::TV6Addr GetV6CompatAddr(const TAddress& a) noexcept;
+#endif
 }
diff --git a/ydb/library/actors/interconnect/rdma/ut/utils.cpp b/ydb/library/actors/interconnect/rdma/ut/utils.cpp
index e0a5f255f7ff..747ad9c75b18 100644
--- a/ydb/library/actors/interconnect/rdma/ut/utils.cpp
+++ b/ydb/library/actors/interconnect/rdma/ut/utils.cpp
@@ -48,7 +48,7 @@ std::tuple<THolder<NActors::TTestActorRuntimeBase>, TRdmaCtx*> PrepareTestRuntim
     TString ip = env ?: defIp;
 
     NInterconnect::TAddress address(ip, 7777);
-    auto ctx = NInterconnect::NRdma::NLinkMgr::GetCtx(address.GetV6CompatAddr());
+    auto ctx = NInterconnect::NRdma::NLinkMgr::GetCtx(GetV6CompatAddr(address));
     RDMA_UT_EXPECT_TRUE(ctx);
     Cerr << "Using verbs context: " << *ctx << ", on addr: " << ip << Endl;