diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/entity/furniture/hitbox/ShulkerHitBox.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/entity/furniture/hitbox/ShulkerHitBox.java
index f4bcbebb7..fa1878850 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/entity/furniture/hitbox/ShulkerHitBox.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/entity/furniture/hitbox/ShulkerHitBox.java
@@ -44,11 +44,23 @@ public class ShulkerHitBox extends AbstractHitBox {
 
         if (this.interactionEntity) {
             // make it a litter bigger
-            InteractionEntityData.Height.addEntityDataIfNotDefaultValue(getPhysicalPeek(peek * 0.01F) * scale + 1.01f, cachedInteractionValues);
+            InteractionEntityData.Height.addEntityDataIfNotDefaultValue((float) (getHeight(peek, scale, direction) + 0.01f), cachedInteractionValues);
             InteractionEntityData.Width.addEntityDataIfNotDefaultValue(scale + 0.005f, cachedInteractionValues);
             InteractionEntityData.Responsive.addEntityDataIfNotDefaultValue(interactive, cachedInteractionValues);
         }
     }
+    private static double getHeight(byte inPeek, float scale, Direction direction) {
+        float peek = getPhysicalPeek(inPeek * 0.01F);
+        double y1 = 0.0;
+        double y2 = scale;
+        double dy = (double) direction.stepY() * peek * (double) scale;
+        if (dy > 0) {
+            y2 += dy;
+        } else if (dy < 0) {
+            y1 += dy;
+        }
+        return y2 - y1;
+    }
 
     @Override
     public Optional<Collider> optionalCollider() {