diff --git a/src/SFML/Network/SocketSelector.cpp b/src/SFML/Network/SocketSelector.cpp
index 3a23c102..b5fcb210 100644
--- a/src/SFML/Network/SocketSelector.cpp
+++ b/src/SFML/Network/SocketSelector.cpp
@@ -74,7 +74,7 @@ SocketSelector::~SocketSelector()
 void SocketSelector::add(Socket& socket)
 {
     SocketHandle handle = socket.getHandle();
-    if (handle != SocketImpl::invalidSocket())
+    if (handle != priv::SocketImpl::invalidSocket())
     {
         FD_SET(handle, &m_impl->AllSockets);