diff --git a/gateway/platforms/matrix.py b/gateway/platforms/matrix.py
index 6a4b0f822..8431e31d6 100644
--- a/gateway/platforms/matrix.py
+++ b/gateway/platforms/matrix.py
@@ -220,6 +220,7 @@ class MatrixAdapter(BasePlatformAdapter):
 
         # Start the sync loop.
         self._sync_task = asyncio.create_task(self._sync_loop())
+        self._mark_connected()
         return True
 
     async def disconnect(self) -> None:
diff --git a/gateway/platforms/mattermost.py b/gateway/platforms/mattermost.py
index 9279b74e6..ef1d5b838 100644
--- a/gateway/platforms/mattermost.py
+++ b/gateway/platforms/mattermost.py
@@ -222,6 +222,7 @@ class MattermostAdapter(BasePlatformAdapter):
 
         # Start WebSocket in background.
         self._ws_task = asyncio.create_task(self._ws_loop())
+        self._mark_connected()
         return True
 
     async def disconnect(self) -> None: