diff --git a/lib/pure/sockets.nim b/lib/pure/sockets.nim
index 28f0a325e0..710bb195b7 100755
--- a/lib/pure/sockets.nim
+++ b/lib/pure/sockets.nim
@@ -1205,7 +1205,7 @@ proc recvAsync*(socket: TSocket, s: var TaintedString): bool =
   result = True
 
 proc recvFrom*(socket: TSocket, data: var string, length: int,
-               address: var string, flags = 0'i32): int =
+               address: var string, port: var int16, flags = 0'i32): int =
   ## Receives data from ``socket``. This function should normally be used with
   ## connection-less sockets (UDP sockets).
   ##
@@ -1215,7 +1215,7 @@ proc recvFrom*(socket: TSocket, data: var string, length: int,
   ## function will make no effort to return it.
   
   # TODO: Buffered sockets
-  data = newString(length)
+  data.setLen(length)
   var sockAddress: Tsockaddr_in
   var addrLen = sizeof(sockAddress).TSockLen
   result = recvFrom(socket.fd, cstring(data), length.cint, flags.cint,
@@ -1223,13 +1223,14 @@ proc recvFrom*(socket: TSocket, data: var string, length: int,
   
   if result != -1:
     address = $inet_ntoa(sockAddress.sin_addr)
+    port = ntohs(sockAddress.sin_port)
 
 proc recvFromAsync*(socket: TSocket, data: var String, length: int,
-                    address: var string, flags = 0'i32): bool =
+                    address: var string, port: var int16, flags = 0'i32): bool =
   ## Similar to ``recvFrom`` but raises an EOS error when an error occurs.
   ## Returns False if no messages could be received from ``socket``.
   result = true
-  var callRes = recvFrom(socket, data, length, address)
+  var callRes = recvFrom(socket, data, length, address, port, flags)
   if callRes < 0:
     when defined(windows):
       # TODO: Test on Windows