diff --git a/src/main/java/com/atsuishio/superbwarfare/event/LivingEventHandler.java b/src/main/java/com/atsuishio/superbwarfare/event/LivingEventHandler.java
index 00ac9d3e9..dc21eefae 100644
--- a/src/main/java/com/atsuishio/superbwarfare/event/LivingEventHandler.java
+++ b/src/main/java/com/atsuishio/superbwarfare/event/LivingEventHandler.java
@@ -31,6 +31,7 @@ import net.minecraft.util.Mth;
 import net.minecraft.world.damagesource.DamageSource;
 import net.minecraft.world.damagesource.DamageType;
 import net.minecraft.world.damagesource.DamageTypes;
+import net.minecraft.world.effect.MobEffectCategory;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.EquipmentSlot;
 import net.minecraft.world.entity.LivingEntity;
@@ -645,7 +646,13 @@ public class LivingEventHandler {
 
     @SubscribeEvent
     public static void onEffectApply(MobEffectEvent.Applicable event) {
-        if (event.getEntity().getVehicle() instanceof ArmedVehicleEntity vehicle && vehicle.hidePassenger(event.getEntity())) {
+        var effectInstance = event.getEffectInstance();
+        if (effectInstance == null) return;
+
+        if (effectInstance.getEffect().value().getCategory() == MobEffectCategory.HARMFUL
+                && event.getEntity().getVehicle() instanceof ArmedVehicleEntity vehicle
+                && vehicle.hidePassenger(event.getEntity())
+        ) {
             event.setResult(MobEffectEvent.Applicable.Result.DO_NOT_APPLY);
         }
     }