diff --git a/v1_18_R1/src/main/java/net/citizensnpcs/nms/v1_18_R1/entity/EntityHumanNPC.java b/v1_18_R1/src/main/java/net/citizensnpcs/nms/v1_18_R1/entity/EntityHumanNPC.java
index 0fdbd91fe..aff0ef653 100644
--- a/v1_18_R1/src/main/java/net/citizensnpcs/nms/v1_18_R1/entity/EntityHumanNPC.java
+++ b/v1_18_R1/src/main/java/net/citizensnpcs/nms/v1_18_R1/entity/EntityHumanNPC.java
@@ -11,6 +11,7 @@
 import org.bukkit.Location;
 import org.bukkit.craftbukkit.v1_18_R1.CraftServer;
 import org.bukkit.craftbukkit.v1_18_R1.entity.CraftPlayer;
+import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Player;
 import org.bukkit.metadata.MetadataValue;
 import org.bukkit.plugin.Plugin;
@@ -548,6 +549,14 @@ private PlayerNPC(EntityHumanNPC entity) {
             npc.getOrAddTrait(Inventory.class);
         }
 
+        @Override
+        public boolean canSee(org.bukkit.entity.Entity entity) {
+            if (entity.getType() == EntityType.ITEM_FRAME) {
+                return false; // optimise for large maps in item frames
+            }
+            return super.canSee(entity);
+        }
+
         @Override
         public Player getBukkitEntity() {
             return this;