diff --git a/royalnet/__main__.py b/royalnet/__main__.py
index 03b18e9a..11024b86 100644
--- a/royalnet/__main__.py
+++ b/royalnet/__main__.py
@@ -58,7 +58,7 @@ def run(config_filename: str):
 
     # Serfs
     telegram_process = None
-    if config["Serfs"]["Telegram"]["enabled"]:
+    if "Telegram" in config["Serfs"] and config["Serfs"]["Telegram"]["enabled"]:
         telegram_process = multiprocessing.Process(name="Serf.Telegram",
                                                    target=rs.telegram.TelegramSerf.run_process,
                                                    daemon=True,
@@ -76,7 +76,7 @@ def run(config_filename: str):
         log.info("Serf.Telegram: Disabled")
 
     discord_process = None
-    if config["Serfs"]["Discord"]["enabled"]:
+    if "Discord" in config["Serfs"] and config["Serfs"]["Discord"]["enabled"]:
         discord_process = multiprocessing.Process(name="Serf.Discord",
                                                   target=rs.discord.DiscordSerf.run_process,
                                                   daemon=True,
@@ -94,7 +94,7 @@ def run(config_filename: str):
         log.info("Serf.Discord: Disabled")
 
     matrix_process = None
-    if config["Serfs"]["Matrix"]["enabled"]:
+    if "Matrix" in config["Serfs"] and config["Serfs"]["Matrix"]["enabled"]:
         matrix_process = multiprocessing.Process(name="Serf.Matrix",
                                                   target=rs.matrix.MatrixSerf.run_process,
                                                   daemon=True,
diff --git a/royalnet/serf/matrix/matrixserf.py b/royalnet/serf/matrix/matrixserf.py
index c36dd3cd..adf3f8a0 100644
--- a/royalnet/serf/matrix/matrixserf.py
+++ b/royalnet/serf/matrix/matrixserf.py
@@ -95,7 +95,7 @@ class MatrixSerf(Serf):
 
         return DiscordData
 
-    async def handle_message(self, room: nio.MatrixRoom, event: nio.RoomMessageText):
+    async def handle_message(self, room: "nio.MatrixRoom", event: "nio.RoomMessageText"):
         # Skip events happened before the startup of the Serf
         if event.server_timestamp < self._started_timestamp:
             return