diff --git a/pom.xml b/pom.xml
index 34161f7..bac5966 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
 	<groupId>de.jeffclan</groupId>
 	<artifactId>JeffChestSort</artifactId>
-	<version>7.3</version>
+	<version>7.4-pre3</version>
 	<packaging>jar</packaging>
 
 	<name>JeffChestSort</name>
diff --git a/src/main/java/de/jeffclan/JeffChestSort/JeffChestSortListener.java b/src/main/java/de/jeffclan/JeffChestSort/JeffChestSortListener.java
index 7eaeccc..f71c6a6 100644
--- a/src/main/java/de/jeffclan/JeffChestSort/JeffChestSortListener.java
+++ b/src/main/java/de/jeffclan/JeffChestSort/JeffChestSortListener.java
@@ -294,7 +294,7 @@ public class JeffChestSortListener implements Listener {
 			plugin.organizer.sortInventory(event.getInventory());
 		}
 	}
-
+	
 	@EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
 	public void onInventoryClickEvent(InventoryClickEvent event) {
 		
@@ -337,6 +337,12 @@ public class JeffChestSortListener implements Listener {
 			return;
 		}
 		
+		// Prevent player from putting items into GUI inventory
+		if(event.getInventory() == setting.guiInventory) {
+			event.setCancelled(true);
+			return;
+		}
+		
 		switch(event.getClick()) {
 		case MIDDLE:
 			//if(plugin.getConfig().getBoolean("hotkeys.middle-click")) {
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index 51deea7..9273dae 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,6 +1,6 @@
 main: de.jeffclan.JeffChestSort.JeffChestSortPlugin
 name: ChestSort
-version: 7.3
+version: 7.4-pre3
 api-version: 1.13
 description: Allows automatic chest sorting
 author: mfnalex