diff --git a/home_backup/__main__.py b/home_backup/__main__.py
index 938d36c..63c5578 100644
--- a/home_backup/__main__.py
+++ b/home_backup/__main__.py
@@ -18,6 +18,9 @@ def main(args):
         args = ["--help"]
     result = parser.parse_args(args)
 
+    def check_client_args_exists():
+        return False
+
     # Deamon mode
     if not isinstance(result.sys_server, bool):
         raise RuntimeError("Arg parser has the wrong type.")
@@ -26,14 +29,23 @@ def main(args):
     if result.sys_server and result.user_server:
         raise ValueError("System and user service can't be set simultan.")
     if result.sys_server:
-        # Check if root
-        if os.getuid() != 0:
+        # Checks
+        if check_client_args_exists():
+            raise RuntimeError("Client settings are setting in system service mode.")
+        if os.getuid() != 0:  # Check root
             raise RuntimeError("System service has to run as root.")
 
         # Run deamon
         asyncio.run(sys_service.rpc.run_deamon())  # TODO: Change default path
     elif result.user_server:
+        # Checks
+        if check_client_args_exists():
+            raise RuntimeError("Client settings are setting in system service mode.")
+
+        # Run deamon
         asyncio.run(user_service.rpc.run_deamon())  # TODO: Change default path of user and system socket
+    else:
+        raise NotImplementedError()
 
 
 if __name__ == "__main__":