diff --git a/sdbus_async/networkmanager/objects.py b/sdbus_async/networkmanager/objects.py
index e03c69a..f5ae24e 100644
--- a/sdbus_async/networkmanager/objects.py
+++ b/sdbus_async/networkmanager/objects.py
@@ -159,6 +159,7 @@ def __init__(self, bus: Optional[SdBus] = None) -> None:
             NETWORK_MANAGER_SERVICE_NAME,
             '/org/freedesktop/NetworkManager/Settings',
             bus)
+        self._nm_used_bus = bus
 
     async def get_connections_by_id(self, connection_id: str) -> List[str]:
         """Helper method to get a list of connection profile paths
@@ -171,7 +172,7 @@ async def get_connections_by_id(self, connection_id: str) -> List[str]:
         connection_paths_with_matching_id = []
         connection_paths: List[str] = await self.connections
         for connection_path in connection_paths:
-            settings = NetworkConnectionSettings(connection_path)
+            settings = NetworkConnectionSettings(connection_path, self._nm_used_bus)
             settings_properites = await settings.get_settings()
             # settings_properites["connection"]["id"][1] gives the id value:
             if settings_properites["connection"]["id"][1] == connection_id:
diff --git a/sdbus_block/networkmanager/objects.py b/sdbus_block/networkmanager/objects.py
index 3d4c68d..ef48e29 100644
--- a/sdbus_block/networkmanager/objects.py
+++ b/sdbus_block/networkmanager/objects.py
@@ -154,6 +154,7 @@ def __init__(self, bus: Optional[SdBus] = None) -> None:
             NETWORK_MANAGER_SERVICE_NAME,
             '/org/freedesktop/NetworkManager/Settings',
             bus)
+        self._nm_used_bus = bus
 
     def get_connections_by_id(self, connection_id: str) -> List[str]:
         """Helper method to get a list of connection profile paths
@@ -165,7 +166,7 @@ def get_connections_by_id(self, connection_id: str) -> List[str]:
         """
         connection_paths_with_matching_id = []
         for connection_path in self.connections:
-            profile = NetworkConnectionSettings(connection_path)
+            profile = NetworkConnectionSettings(connection_path, self._nm_used_bus)
             # profile.get_settings()["connection"]["id"][1] gives the id value:
             if profile.get_settings()["connection"]["id"][1] == connection_id:
                 connection_paths_with_matching_id.append(connection_path)