diff --git a/lib/pure/asyncnet.nim b/lib/pure/asyncnet.nim
index d6086175af5b2..6fc033332c099 100644
--- a/lib/pure/asyncnet.nim
+++ b/lib/pure/asyncnet.nim
@@ -679,7 +679,7 @@ when defined(posix) and not useNimNetLite:
 
       var socketAddr = makeUnixAddr(path)
       let ret = socket.fd.connect(cast[ptr SockAddr](addr socketAddr),
-                        (sizeof(socketAddr.sun_family) + path.len).SockLen)
+                        (offsetOf(socketAddr, sun_path) + path.len + 1).SockLen)
       if ret == 0:
         # Request to connect completed immediately.
         retFuture.complete()
@@ -697,7 +697,7 @@ when defined(posix) and not useNimNetLite:
     when not defined(nimdoc):
       var socketAddr = makeUnixAddr(path)
       if socket.fd.bindAddr(cast[ptr SockAddr](addr socketAddr),
-          (sizeof(socketAddr.sun_family) + path.len).SockLen) != 0'i32:
+          (offsetOf(socketAddr, sun_path) + path.len + 1).SockLen) != 0'i32:
         raiseOSError(osLastError())
 
 elif defined(nimdoc):
diff --git a/lib/pure/net.nim b/lib/pure/net.nim
index 34bb58687cb26..2ee66df060a71 100644
--- a/lib/pure/net.nim
+++ b/lib/pure/net.nim
@@ -1313,7 +1313,7 @@ when defined(nimdoc) or (defined(posix) and not useNimNetLite):
     when not defined(nimdoc):
       var socketAddr = makeUnixAddr(path)
       if socket.fd.connect(cast[ptr SockAddr](addr socketAddr),
-          (sizeof(socketAddr.sun_family) + path.len).SockLen) != 0'i32:
+          (offsetOf(socketAddr, sun_path) + path.len + 1).SockLen) != 0'i32:
         raiseOSError(osLastError())
 
   proc bindUnix*(socket: Socket, path: string) =
@@ -1322,7 +1322,7 @@ when defined(nimdoc) or (defined(posix) and not useNimNetLite):
     when not defined(nimdoc):
       var socketAddr = makeUnixAddr(path)
       if socket.fd.bindAddr(cast[ptr SockAddr](addr socketAddr),
-          (sizeof(socketAddr.sun_family) + path.len).SockLen) != 0'i32:
+          (offsetOf(socketAddr, sun_path) + path.len + 1).SockLen) != 0'i32:
         raiseOSError(osLastError())
 
 when defineSsl: