diff --git a/build.gradle b/build.gradle
index cdca73c..76c41b3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ plugins {
 }
 
 group = 'net.ardakaz'
-version = '1.0'
+version = '1.1'
 
 repositories {
     mavenCentral()
diff --git a/src/main/java/net/ardakaz/simpleMobSpawningOptimizer/SimpleMobSpawningOptimizer.java b/src/main/java/net/ardakaz/simpleMobSpawningOptimizer/SimpleMobSpawningOptimizer.java
index e054df4..f60c901 100644
--- a/src/main/java/net/ardakaz/simpleMobSpawningOptimizer/SimpleMobSpawningOptimizer.java
+++ b/src/main/java/net/ardakaz/simpleMobSpawningOptimizer/SimpleMobSpawningOptimizer.java
@@ -30,11 +30,18 @@ public class SimpleMobSpawningOptimizer extends JavaPlugin implements Listener {
     @EventHandler
     public void onCreatureSpawn(CreatureSpawnEvent event) {
 
+        // Return if the spawn was not natural
+        if (event.getSpawnReason() != CreatureSpawnEvent.SpawnReason.NATURAL) {
+            return;
+        }
+
+        // Defining variables
         int currentSimulationDistance = getSimulationDistance();
         int normalSimulationDistance = 10;
         double mobPercentage = Math.pow(currentSimulationDistance, 2) / Math.pow(normalSimulationDistance, 2);
 
         if (random.nextDouble() > mobPercentage) {
+            // Cancelling event
             event.setCancelled(true);
             mobsNotSpawned += 1;
         }
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index abbc1c9..cc02267 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,4 +1,4 @@
 name: SimpleMobSpawningOptimizer
-version: '1.0'
+version: '1.1'
 main: net.ardakaz.simpleMobSpawningOptimizer.SimpleMobSpawningOptimizer
 api-version: '1.21'