diff --git a/src/main/java/com/atsuishio/superbwarfare/event/LivingEventHandler.java b/src/main/java/com/atsuishio/superbwarfare/event/LivingEventHandler.java
index 64fdb2a71..b0eb9a2cd 100644
--- a/src/main/java/com/atsuishio/superbwarfare/event/LivingEventHandler.java
+++ b/src/main/java/com/atsuishio/superbwarfare/event/LivingEventHandler.java
@@ -45,6 +45,7 @@ import net.neoforged.bus.api.SubscribeEvent;
 import net.neoforged.fml.common.EventBusSubscriber;
 import net.neoforged.neoforge.common.NeoForge;
 import net.neoforged.neoforge.common.util.TriState;
+import net.neoforged.neoforge.event.entity.EntityMountEvent;
 import net.neoforged.neoforge.event.entity.living.*;
 import net.neoforged.neoforge.event.entity.player.ItemEntityPickupEvent;
 import net.neoforged.neoforge.network.PacketDistributor;
@@ -652,4 +653,12 @@ public class LivingEventHandler {
             event.setResult(MobEffectEvent.Applicable.Result.DO_NOT_APPLY);
         }
     }
+
+    @SubscribeEvent
+    public static void onMountEntity(EntityMountEvent event) {
+        var entity = event.getEntityMounting();
+        if (entity instanceof Player player && player.getVehicle() instanceof VehicleEntity && !(event.getEntityBeingMounted() instanceof VehicleEntity)) {
+            event.setCanceled(true);
+        }
+    }
 }