diff --git a/Barotrauma/BarotraumaClient/Source/Screens/NetLobbyScreen.cs b/Barotrauma/BarotraumaClient/Source/Screens/NetLobbyScreen.cs
index dbc53fa2f..79582a0e9 100644
--- a/Barotrauma/BarotraumaClient/Source/Screens/NetLobbyScreen.cs
+++ b/Barotrauma/BarotraumaClient/Source/Screens/NetLobbyScreen.cs
@@ -177,7 +177,7 @@ namespace Barotrauma
                 if (levelSeed == value) return;
 
                 levelSeed = value;
-                backgroundSprite = LocationType.Random(levelSeed).Background;
+                backgroundSprite = LocationType.Random(levelSeed)?.Background;
                 seedBox.Text = levelSeed;
             }
         }