diff --git a/src/pocketmine/inventory/transaction/InventoryTransaction.php b/src/pocketmine/inventory/transaction/InventoryTransaction.php
index 55219fac6..f5d67be74 100644
--- a/src/pocketmine/inventory/transaction/InventoryTransaction.php
+++ b/src/pocketmine/inventory/transaction/InventoryTransaction.php
@@ -75,6 +75,11 @@ class InventoryTransaction{
 	}
 
 	/**
+	 * Returns an **unordered** set of actions involved in this transaction.
+	 *
+	 * WARNING: This system is **explicitly designed NOT to care about ordering**. Any order seen in this set has NO
+	 * significance and should not be relied on.
+	 *
 	 * @return InventoryAction[]
 	 */
 	public function getActions() : array{
@@ -271,6 +276,8 @@ class InventoryTransaction{
 			return false;
 		}
 
+		$this->shuffleActions();
+
 		$this->validate();
 
 		if(!$this->callExecuteEvent()){