diff --git a/lib/repositories/environment.py b/lib/repositories/environment.py
index 6c621fb..05a8cc0 100644
--- a/lib/repositories/environment.py
+++ b/lib/repositories/environment.py
@@ -19,6 +19,7 @@ class EnvRepository(Repository):
     def __init__(self):
         super().__init__("environments")
         self._env = None
+        self._env_id = None
 
     def fetch_env(self, environment: Env):
         self.env = environment
diff --git a/lib/repositories/flight.py b/lib/repositories/flight.py
index 003469b..ee9631f 100644
--- a/lib/repositories/flight.py
+++ b/lib/repositories/flight.py
@@ -19,6 +19,7 @@ class FlightRepository(Repository):
     def __init__(self):
         super().__init__("flights")
         self._flight = None
+        self._flight_id = None
 
     def fetch_flight(self, flight: Flight):
         self.flight = flight
diff --git a/lib/repositories/motor.py b/lib/repositories/motor.py
index 4251a46..af61d7a 100644
--- a/lib/repositories/motor.py
+++ b/lib/repositories/motor.py
@@ -19,6 +19,7 @@ class MotorRepository(Repository):
     def __init__(self):
         super().__init__("motors")
         self._motor = None
+        self._motor_id = None
 
     def fetch_motor(self, motor: Motor):
         self.motor = motor