diff --git a/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/listeners/AutoSpawnTimer.java b/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/listeners/AutoSpawnTimer.java
index 4aed05d..5a1421b 100644
--- a/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/listeners/AutoSpawnTimer.java
+++ b/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/listeners/AutoSpawnTimer.java
@@ -1,6 +1,7 @@
 package com.willfp.ecobosses.bosses.listeners;
 
 import com.willfp.eco.util.NumberUtils;
+import com.willfp.ecobosses.EcoBossesPlugin;
 import com.willfp.ecobosses.bosses.EcoBoss;
 import com.willfp.ecobosses.bosses.EcoBosses;
 import org.bukkit.Location;
@@ -21,6 +22,10 @@ public class AutoSpawnTimer implements Runnable {
                 continue;
             }
 
+            if (!boss.getLivingBosses().isEmpty()) {
+                continue;
+            }
+
             if (tick % boss.getAutoSpawnInterval() == 0) {
                 Location location = boss.getAutoSpawnLocations().get(NumberUtils.randInt(0, boss.getAutoSpawnLocations().size() - 1));
                 boss.spawn(location);