diff --git a/src/xpra/server/proxy_server.py b/src/xpra/server/proxy_server.py
index f8c75a4adb..2eaa4967aa 100644
--- a/src/xpra/server/proxy_server.py
+++ b/src/xpra/server/proxy_server.py
@@ -34,6 +34,8 @@
     #use processes:
     from multiprocessing import Process         #@Reimport
 
+MAX_CONCURRENT_CONNECTIONS = 200
+
 
 class ProxyServer(ServerCore):
     """
@@ -46,6 +48,7 @@ class ProxyServer(ServerCore):
     def __init__(self):
         log("ProxyServer.__init__()")
         ServerCore.__init__(self)
+        self._max_connections = MAX_CONCURRENT_CONNECTIONS
         self.main_loop = None
         self.processes = []
         self.idle_add = gobject.idle_add
diff --git a/src/xpra/server/server_core.py b/src/xpra/server/server_core.py
index 6705468581..d67b6d0c8b 100644
--- a/src/xpra/server/server_core.py
+++ b/src/xpra/server/server_core.py
@@ -95,6 +95,7 @@ def __init__(self):
         self._aliases = {}
         self._reverse_aliases = {}
         self.socket_types = {}
+        self._max_connections = MAX_CONCURRENT_CONNECTIONS
 
         self.session_name = "Xpra"
 
@@ -263,7 +264,7 @@ def add_listen_socket(self, socktype, socket):
     def _new_connection(self, listener, *args):
         socktype = self.socket_types.get(listener, "")
         sock, address = listener.accept()
-        if len(self._potential_protocols)>=MAX_CONCURRENT_CONNECTIONS:
+        if len(self._potential_protocols)>=self._max_connections:
             log.error("too many connections (%s), ignoring new one", len(self._potential_protocols))
             sock.close()
             return  True