diff --git a/server_mc_manager.py b/server_mc_manager.py
index 0135661..df94b76 100644
--- a/server_mc_manager.py
+++ b/server_mc_manager.py
@@ -76,6 +76,8 @@ class MinecraftServerManager:
         return None
 
     def get_online_players(self, port) -> int:
+        if not self.servers[port]:
+            return 0
         with mcipc.query.Client('127.0.0.1', port) as client:
             stats: mcipc.query.proto.FullStats = client.stats(full=True)
             stats: int = stats.num_players