diff --git a/CHANGELOG.md b/CHANGELOG.md
index d52a45a..1605004 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Changelog
 ## 8.8-pre1
+- Improved Minepacks hook
+- Update Checker interval is now configurable (default: every 4 hours)
 - Changed class names and moved API to its own class - can be accessed via ChestSortPlugin#getAPI()
+
 ## 8.7
 - When using Minepacks, the backpack item in the inventory will not be moved
 - Added use-permissions option. If you do not use a permissions plugin, you can set this to false to allow every player to use ChestSort
diff --git a/pom.xml b/pom.xml
index 96f4f21..8e517f8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
 	<groupId>de.jeffclan</groupId>
 	<artifactId>JeffChestSort</artifactId>
-	<version>8.7</version>
+	<version>8.8-pre1</version>
 	<packaging>jar</packaging>
 
 	<name>JeffChestSort</name>
diff --git a/src/main/java/de/jeff_media/ChestSort/ChestSortChestSortCommand.java b/src/main/java/de/jeff_media/ChestSort/ChestSortChestSortCommand.java
index adff35c..1a72d82 100644
--- a/src/main/java/de/jeff_media/ChestSort/ChestSortChestSortCommand.java
+++ b/src/main/java/de/jeff_media/ChestSort/ChestSortChestSortCommand.java
@@ -44,10 +44,10 @@ public class ChestSortChestSortCommand implements CommandExecutor {
 			if(args.length>0) {
 				if(args[0].equalsIgnoreCase("hotkey") || args[0].equalsIgnoreCase("hotkeys")) {
 					
-//					if(plugin.hotkeyGUI==false) {
-//						p.sendMessage(plugin.messages.MSG_ERR_HOTKEYSDISABLED);
-//						return true;
-//					}
+					if(plugin.hotkeyGUI==false) {
+						p.sendMessage(plugin.messages.MSG_ERR_HOTKEYSDISABLED);
+						return true;
+					}
 					
 					plugin.settingsGUI.openGUI(p);
 					
diff --git a/src/main/java/de/jeff_media/ChestSort/ChestSortMessages.java b/src/main/java/de/jeff_media/ChestSort/ChestSortMessages.java
index 3da3e86..fc39242 100644
--- a/src/main/java/de/jeff_media/ChestSort/ChestSortMessages.java
+++ b/src/main/java/de/jeff_media/ChestSort/ChestSortMessages.java
@@ -20,6 +20,8 @@ public class ChestSortMessages {
 	
 	final String MSG_GUI_MIDDLECLICK, MSG_GUI_SHIFTCLICK, MSG_GUI_DOUBLECLICK, MSG_GUI_SHIFTRIGHTCLICK, MSG_GUI_LEFTCLICK, MSG_GUI_RIGHTCLICK;
 
+	final String MSG_ERR_HOTKEYSDISABLED;
+
 	ChestSortMessages(ChestSortPlugin plugin) {
 		this.plugin = plugin;
 
@@ -72,7 +74,7 @@ public class ChestSortMessages {
 		
 		MSG_GUI_RIGHTCLICK = ChatColor.translateAlternateColorCodes('&', plugin.getConfig().getString("message-gui-right-click","Unload Chest (Right-Click)"));
 		
-		//MSG_ERR_HOTKEYSDISABLED = ChatColor.RED + "[ChestSort] Hotkeys are only available for Minecraft 1.9 and later.";
+		MSG_ERR_HOTKEYSDISABLED = ChatColor.RED + "[ChestSort] Hotkeys have been disabled by the admin.";
 	}
 
 }
diff --git a/src/main/java/de/jeff_media/ChestSort/ChestSortPlugin.java b/src/main/java/de/jeff_media/ChestSort/ChestSortPlugin.java
index c8a1186..577c68e 100644
--- a/src/main/java/de/jeff_media/ChestSort/ChestSortPlugin.java
+++ b/src/main/java/de/jeff_media/ChestSort/ChestSortPlugin.java
@@ -65,7 +65,7 @@ public class ChestSortPlugin extends JavaPlugin {
 	String sortingMethod;
 	ArrayList<String> disabledWorlds;
 	ChestSortAPI api;
-	int currentConfigVersion = 30;
+	int currentConfigVersion = 31;
 	boolean usingMatchingConfig = true;
 	protected boolean debug = false;
 	boolean verbose = true;
@@ -170,6 +170,7 @@ public class ChestSortPlugin extends JavaPlugin {
 		getConfig().addDefault("sorting-method", "{category},{itemsFirst},{name},{color}");
 		getConfig().addDefault("allow-player-inventory-sorting", false);
 		getConfig().addDefault("check-for-updates", "true");
+		getConfig().addDefault("check-interval", 4);
 		getConfig().addDefault("auto-generate-category-files", true);
 		getConfig().addDefault("sort-time", "close");
 		getConfig().addDefault("allow-hotkeys", true);
@@ -282,6 +283,8 @@ public class ChestSortPlugin extends JavaPlugin {
 		permissionsHandler = new ChestSortPermissionsHandler(this);
 		
 		usePermissions = getConfig().getBoolean("use-permissions");
+		
+		updateCheckInterval = (int) (getConfig().getDouble("check-interval")*60*60);
 
 		// The sorting method will determine how stuff is sorted
 		sortingMethod = getConfig().getString("sorting-method");
@@ -322,11 +325,14 @@ public class ChestSortPlugin extends JavaPlugin {
 				getLogger().info("  |- Right-Click: " + getConfig().getBoolean("additional-hotkeys.right-click"));
 			}
 			getLogger().info("Check for updates: " + getConfig().getString("check-for-updates"));
+			if(getConfig().getString("check-for-updates").equalsIgnoreCase("true")) {
+				getLogger().info("Check interval: " + getConfig().getString("check-interval") + " hours ("+updateCheckInterval+" seconds)");
+			}
 			getLogger().info("Categories: " + getCategoryList());
 		}
 
 		// Check for updates (async, of course)
-		// When set to true, we check for updates right now, and every 24 hours (see
+		// When set to true, we check for updates right now, and every X hours (see
 		// updateCheckInterval)
 		if (getConfig().getString("check-for-updates", "true").equalsIgnoreCase("true")) {
 			Bukkit.getScheduler().scheduleSyncRepeatingTask(this, new Runnable() {
@@ -381,6 +387,8 @@ public class ChestSortPlugin extends JavaPlugin {
 				() -> Integer.toString(getConfig().getInt("config-version", 0))));
 		bStats.addCustomChart(
 				new Metrics.SimplePie("check_for_updates", () -> getConfig().getString("check-for-updates", "true")));
+		bStats.addCustomChart(
+				new Metrics.SimplePie("update_interval", () -> Long.toString(updateCheckInterval)));
 		bStats.addCustomChart(new Metrics.SimplePie("show_message_when_using_chest",
 				() -> Boolean.toString(getConfig().getBoolean("show-message-when-using-chest"))));
 		bStats.addCustomChart(new Metrics.SimplePie("show_message_when_using_chest_and_sorting_is_enabl", () -> Boolean
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index d32d7cd..1bd441f 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -79,6 +79,9 @@ auto-generate-category-files: true
 # Available options: open, close, both
 sort-time: close
 
+# when set to true, show some verbose information on startup
+verbose: true
+
 ###########################
 ##### Default Hotkeys #####
 ###########################
@@ -118,14 +121,14 @@ additional-hotkeys:
 # Checks for updates (asynchronously).
 # When enabled, a message is printed in the console if a new
 # version has been found, and OPs will be notified when they join the server 
-# When set to true, check for updates on startup and every 4 hours
+# When set to true, check for updates on startup and every X hours (see "check-interval" below)
 # When set to on-startup, only check on server startup
 # When set to false, don't check for updates
 check-for-updates: true
 
-# when set to true, show some verbose information on startup
-verbose: true
-
+# When you set "check-for-updates" to true, you can define the amount
+# of hours inbetween each update check.
+check-interval: 4
 #########################
 #### Disabled Worlds ####
 #########################
@@ -552,4 +555,4 @@ debug: false
 
 # Please DO NOT change the following line manually!
 # It is used by the automatic config updater.
-config-version: 30
+config-version: 31
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index aed71bf..837024a 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,6 +1,6 @@
 main: de.jeff_media.ChestSort.ChestSortPlugin
 name: ChestSort
-version: 8.7
+version: 8.8-pre1
 api-version: 1.13
 description: Allows automatic chest sorting
 author: mfnalex
@@ -8,7 +8,7 @@ website: https://www.chestsort.de
 prefix: ChestSort
 database: false
 loadbefore: [InvUnload]
-softdepend: [CrackShot, InventoryPages,Minepacks]
+softdepend: [CrackShot,InventoryPages,Minepacks]
 commands:
   chestsort:
     description: Toggle automatic chest sorting.