diff --git a/core/src/main/java/com/volmit/iris/core/service/IrisEngineSVC.java b/core/src/main/java/com/volmit/iris/core/service/IrisEngineSVC.java
index 51351f657..df3951ea1 100644
--- a/core/src/main/java/com/volmit/iris/core/service/IrisEngineSVC.java
+++ b/core/src/main/java/com/volmit/iris/core/service/IrisEngineSVC.java
@@ -187,7 +187,7 @@ public class IrisEngineSVC implements IrisService {
                         return;
 
                     try {
-                        engine.getMantle().trim(tectonicLimit.get() / worlds.size());
+                        engine.getMantle().trim(tectonicLimit());
                     } catch (Throwable e) {
                         Iris.reportError(e);
                         Iris.error("EngineSVC: Failed to trim for " + name);
@@ -204,7 +204,7 @@ public class IrisEngineSVC implements IrisService {
 
                     try {
                         long unloadStart = System.currentTimeMillis();
-                        int count = engine.getMantle().unloadTectonicPlate(tectonicLimit.get() / worlds.size());
+                        int count = engine.getMantle().unloadTectonicPlate(tectonicLimit());
                         if (count > 0) {
                             Iris.debug(C.GOLD + "Unloaded " + C.YELLOW + count + " TectonicPlates in " + C.RED + Form.duration(System.currentTimeMillis() - unloadStart, 2));
                         }
@@ -217,6 +217,10 @@ public class IrisEngineSVC implements IrisService {
             }
         }
 
+        private int tectonicLimit() {
+            return tectonicLimit.get() / Math.max(worlds.size(), 1);
+        }
+
         @Synchronized
         private void close() {
             if (closed) return;