diff --git a/pyrmv/classes/Board.py b/pyrmv/classes/Board.py
index bf4b068..3c16427 100644
--- a/pyrmv/classes/Board.py
+++ b/pyrmv/classes/Board.py
@@ -63,6 +63,8 @@ class BoardArrival(list):
 
     def __init__(self, data: dict, client, retrieve_stops: bool = True):
         super().__init__([])
+        if "Arrival" not in data:
+            return
         for line in data["Arrival"]:
             self.append(LineArrival(line, client, retrieve_stops=retrieve_stops))
 
@@ -76,6 +78,8 @@ class BoardDeparture(list):
 
     def __init__(self, data: dict, client, retrieve_stops: bool = True):
         super().__init__([])
+        if "Departure" not in data:
+            return
         for line in data["Departure"]:
             self.append(LineDeparture(line, client, retrieve_stops=retrieve_stops))