diff --git a/src/main/java/de/epiceric/shopchest/ShopCommand.java b/src/main/java/de/epiceric/shopchest/ShopCommand.java
index 1c27b88..7ee6d3f 100644
--- a/src/main/java/de/epiceric/shopchest/ShopCommand.java
+++ b/src/main/java/de/epiceric/shopchest/ShopCommand.java
@@ -264,7 +264,14 @@ class ShopCommand extends BukkitCommand {
             return;
         }
 
-        plugin.debug(p.getName() + " has entered the numbers correctly");
+        plugin.debug(p.getName() + " has entered numbers as prices and amount");
+
+        if (!plugin.getShopChestConfig().allow_decimals_in_price && (buyPrice != (int) buyPrice || sellPrice != (int) sellPrice)) {
+            p.sendMessage(LanguageUtils.getMessage(LocalizedMessage.Message.PRICES_CONTAIN_DECIMALS));
+            return;
+        }
+
+        plugin.debug(p.getName() + " has entered the numbers correctly (according to allow-decimals configuration)");
 
         boolean buyEnabled = !(buyPrice <= 0), sellEnabled = !(sellPrice <= 0);
 
diff --git a/src/main/java/de/epiceric/shopchest/config/Config.java b/src/main/java/de/epiceric/shopchest/config/Config.java
index 07b3284..214a2f8 100644
--- a/src/main/java/de/epiceric/shopchest/config/Config.java
+++ b/src/main/java/de/epiceric/shopchest/config/Config.java
@@ -70,6 +70,9 @@ public class Config {
      **/
     public List<String> blacklist;
 
+    /** Whether prices may contain decimals **/
+    public boolean allow_decimals_in_price;
+
     /** Whether the buy price of a shop must be greater than or equal the sell price **/
     public boolean buy_greater_or_equal_sell;
 
@@ -281,8 +284,9 @@ public class Config {
         database_mysql_password = plugin.getConfig().getString("database.mysql.password");
         database_type = Database.DatabaseType.valueOf(plugin.getConfig().getString("database.type"));
         minimum_prices = (plugin.getConfig().getConfigurationSection("minimum-prices") == null) ? new HashSet<String>() : plugin.getConfig().getConfigurationSection("minimum-prices").getKeys(true);
+        allow_decimals_in_price = plugin.getConfig().getBoolean("allow-decimals-in-price");
         allow_broken_items = plugin.getConfig().getBoolean("allow-broken-items");
-        auto_calculate_item_amount = plugin.getConfig().getBoolean("auto-calculate-item-amount");
+        auto_calculate_item_amount = (allow_decimals_in_price && plugin.getConfig().getBoolean("auto-calculate-item-amount"));
         shopLimits_group = (plugin.getConfig().getConfigurationSection("shop-limits.group") == null) ? new HashSet<String>() : plugin.getConfig().getConfigurationSection("shop-limits.group").getKeys(true);
         shopLimits_player = (plugin.getConfig().getConfigurationSection("shop-limits.player") == null) ? new HashSet<String>() : plugin.getConfig().getConfigurationSection("shop-limits.player").getKeys(true);
         blacklist = (plugin.getConfig().getStringList("blacklist") == null) ? new ArrayList<String>() : plugin.getConfig().getStringList("blacklist");
diff --git a/src/main/java/de/epiceric/shopchest/language/LanguageUtils.java b/src/main/java/de/epiceric/shopchest/language/LanguageUtils.java
index e03664f..f19fb9f 100644
--- a/src/main/java/de/epiceric/shopchest/language/LanguageUtils.java
+++ b/src/main/java/de/epiceric/shopchest/language/LanguageUtils.java
@@ -879,6 +879,7 @@ public class LanguageUtils {
         messages.add(new LocalizedMessage(LocalizedMessage.Message.OUT_OF_STOCK, langConfig.getString("message.out-of-stock", "&cShop out of stock.")));
         messages.add(new LocalizedMessage(LocalizedMessage.Message.ERROR_OCCURRED, langConfig.getString("message.error-occurred", "&cAn error occurred: %ERROR%"), Regex.ERROR));
         messages.add(new LocalizedMessage(LocalizedMessage.Message.AMOUNT_PRICE_NOT_NUMBER, langConfig.getString("message.amount-and-price-not-number", "&cAmount and price must be a number.")));
+        messages.add(new LocalizedMessage(LocalizedMessage.Message.PRICES_CONTAIN_DECIMALS, langConfig.getString("message.prices-contain-decimals", "&cPrices must not contain decimals.")));
         messages.add(new LocalizedMessage(LocalizedMessage.Message.NO_ITEM_IN_HAND, langConfig.getString("message.no-item-in-hand", "&cNo item in hand")));
         messages.add(new LocalizedMessage(LocalizedMessage.Message.CLICK_CHEST_CREATE, langConfig.getString("message.click-chest-to-create-shop", "&aClick a chest to create a shop.")));
         messages.add(new LocalizedMessage(LocalizedMessage.Message.CLICK_CHEST_REMOVE, langConfig.getString("message.click-chest-to-remove-shop", "&aClick a shop-chest to remove the shop.")));
diff --git a/src/main/java/de/epiceric/shopchest/language/LocalizedMessage.java b/src/main/java/de/epiceric/shopchest/language/LocalizedMessage.java
index 4bfee30..c14f0c9 100644
--- a/src/main/java/de/epiceric/shopchest/language/LocalizedMessage.java
+++ b/src/main/java/de/epiceric/shopchest/language/LocalizedMessage.java
@@ -76,6 +76,7 @@ public class LocalizedMessage {
         OUT_OF_STOCK,
         ERROR_OCCURRED,
         AMOUNT_PRICE_NOT_NUMBER,
+        PRICES_CONTAIN_DECIMALS,
         NO_ITEM_IN_HAND,
         CLICK_CHEST_CREATE,
         CLICK_CHEST_REMOVE,
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index 8bf986e..92018c4 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -41,6 +41,9 @@ two-line-hologram-lift: 0.25
 # The price will be calculated correspondingly. (If it's not clear enough, please let me know)
 auto-calculate-item-amount: false
 
+# Set whether prices may contain decimals (prices of existing shops will stay)
+allow-decimals-in-price: true
+
 # Set whether players should be allowed to sell/buy broken items
 allow-broken-items: false
 
diff --git a/src/main/resources/lang/de_DE.lang b/src/main/resources/lang/de_DE.lang
index 858c088..bfb14d2 100644
--- a/src/main/resources/lang/de_DE.lang
+++ b/src/main/resources/lang/de_DE.lang
@@ -31,7 +31,8 @@ message.not-enough-items=&cNicht genug Items.
 message.vendor-not-enough-money=&cVerkäufer hat nicht genug Geld.
 message.out-of-stock=&cShop ausverkauft.
 message.error-occurred=&cEin Fehler ist aufgetreten: %ERROR%
-message.amount-and-price-not-number=&cAnzahl und Preis müssen Zahlen sein.
+message.amount-and-price-not-number=&cAnzahl und Preise müssen Zahlen sein.
+message.prices-contain-decimals=&cPreise dürfen keine Dezimalen enthalten.
 message.no-item-in-hand=&cKein Item in der Hand.
 message.click-chest-to-create-shop=&aKlicke auf eine Truhe, um einen Shop zu erstellen.
 message.click-chest-to-remove-shop=&aKlicke auf einen Shop, um ihn zu entfernen.
diff --git a/src/main/resources/lang/en_US.lang b/src/main/resources/lang/en_US.lang
index 3233c4c..3aef3d0 100644
--- a/src/main/resources/lang/en_US.lang
+++ b/src/main/resources/lang/en_US.lang
@@ -115,8 +115,12 @@ message.out-of-stock=&cShop out of stock.
 # Usable regex: %ERROR%
 message.error-occurred=&cAn error occurred: %ERROR%
 
-# Set the message when the arguments <AMOUNT> and <PRICE> of '/shop create' are not a number.
-message.amount-and-price-not-number=&cAmount and price must be a number.
+# Set the message when the arguments <AMOUNT>, <BUY-PRICE> and/or <SELL-PRICE> of '/shop create' are not a number.
+message.amount-and-price-not-number=&cAmount and prices must be numbers.
+
+# Set the message when the config value "allow-decimals-in-prices" is set to false
+# and a player enters a price with decimals
+message.prices-contain-decimals=&cPrices must not contain decimals.
 
 # Set the message when the player doesn't hold an item in the hand.
 message.no-item-in-hand=&cNo item in hand