diff --git a/src/main/java/pl/daffit/megakilof/MegaKilofPlugin.java b/src/main/java/pl/daffit/megakilof/MegaKilofPlugin.java
index 2a80844..992f80a 100644
--- a/src/main/java/pl/daffit/megakilof/MegaKilofPlugin.java
+++ b/src/main/java/pl/daffit/megakilof/MegaKilofPlugin.java
@@ -77,6 +77,10 @@ public void onEnable() {
     @EventHandler
     public void onInventoryClickEvent(InventoryClickEvent megaEvent) {
 
+        if (megaEvent.getClickedInventory() == null) {
+            return;
+        }
+
         if (megaEvent.getRawSlot() != megaEvent.getSlot()) {
             return;
         }