diff --git a/lib/xenu_nntp/server.py b/lib/xenu_nntp/server.py
index d73693c..b0e39d0 100644
--- a/lib/xenu_nntp/server.py
+++ b/lib/xenu_nntp/server.py
@@ -41,8 +41,11 @@ class Server():
             return
 
         def spawn():
-            session = Session(self, sock)
-            session.handle()
+            try:
+                session = Session(self, sock)
+                session.handle()
+            except:
+                sock.close()
 
         thread = threading.Thread(target=spawn)
         thread.start()