diff --git a/server/server.py b/server/server.py
index ae7238d..4eeecbf 100644
--- a/server/server.py
+++ b/server/server.py
@@ -33,10 +33,13 @@ class Server:
         if command == "LINOK":
             self.login(self.networkInstance.homeDirectory)
             self.networkInstance.sendMessage("OK".encode('UTF-8'))
+            return None
         elif command == "LINERROR":
             self.networkInstance.sendMessage("ERROR".encode('UTF-8'))
+            return None
         elif command == "ERROR":
             self.networkInstance.sendMessage("ERROR".encode('UTF-8'))
+            return None
         parsedCommand = command.split(" ")
         if len(parsedCommand) > 3:
             self.networkInstance.sendMessage("ERROR".encode('UTF-8'))