diff --git a/mirrortea/abstract_source_platform/abstact_source_platform.py b/mirrortea/abstract_source_platform/abstact_source_platform.py
index f12d8b3..a087541 100644
--- a/mirrortea/abstract_source_platform/abstact_source_platform.py
+++ b/mirrortea/abstract_source_platform/abstact_source_platform.py
@@ -7,3 +7,7 @@ class AbstractSourcePlatform(ABC):
     @abstractmethod
     def get_user_information(self) -> User:
         """Init tables in database"""
+
+    @abstractmethod
+    def run(self) -> None:
+        """Platform launch"""
diff --git a/mirrortea/abstract_source_platform/telegram.py b/mirrortea/abstract_source_platform/telegram.py
index 0cb3916..5c4e383 100644
--- a/mirrortea/abstract_source_platform/telegram.py
+++ b/mirrortea/abstract_source_platform/telegram.py
@@ -14,7 +14,7 @@ class Telegram(AbstractSourcePlatform):
         self.dispatcher = telegram.Dispatcher(bot=self.bot)
         self.dispatcher.register_message_handler(self.on_message)
 
-    async def run(self):
+    async def run(self) -> None:
         await self.dispatcher.start_polling()
 
     async def on_message(self, msg):