diff --git a/src/main/java/com/alttd/playershops/shop/PlayerShop.java b/src/main/java/com/alttd/playershops/shop/PlayerShop.java
index c1b9c98..932d0d2 100644
--- a/src/main/java/com/alttd/playershops/shop/PlayerShop.java
+++ b/src/main/java/com/alttd/playershops/shop/PlayerShop.java
@@ -280,6 +280,8 @@ public class PlayerShop {
     }
 
     public void setItemStack(ItemStack itemStack) {
+        if (this.itemStack.equals(itemStack))
+            return; // no changes have been made.
         ShopItemChangeEvent shopItemChangeEvent = new ShopItemChangeEvent(this, itemStack);
         if (Util.callCancellableEvent(shopItemChangeEvent))
             return; // cancelled by another plugin, does this need logging?
@@ -290,6 +292,8 @@ public class PlayerShop {
     }
 
     public void setPrice(double price) {
+        if (this.price == price)
+            return; // no changes have been made.
         ShopPriceChangeEvent shopPriceChangeEvent = new ShopPriceChangeEvent(this, price);
         if (Util.callCancellableEvent(shopPriceChangeEvent))
             return; // cancelled by another plugin, does this need logging?
@@ -300,6 +304,8 @@ public class PlayerShop {
     }
 
     public void setAmount(int amount) {
+        if (this.amount == amount)
+            return; // no changes have been made.
         ShopItemAmountChangeEvent ShopItemAmountChangeEvent = new ShopItemAmountChangeEvent(this, amount);
         if (Util.callCancellableEvent(ShopItemAmountChangeEvent))
             return; // cancelled by another plugin, does this need logging?
@@ -310,6 +316,8 @@ public class PlayerShop {
     }
 
     public void setShopType(ShopType shopType) {
+        if (this.type == shopType)
+            return; // no changes have been made.
         ShopTypeChangeEvent shopTypeChangeEvent = new ShopTypeChangeEvent(this, shopType);
         if (Util.callCancellableEvent(shopTypeChangeEvent))
             return; // cancelled by another plugin, does this need logging?