diff --git a/eco-core/core-plugin/src/main/java/com/willfp/eco/spigot/gui/GUIListener.java b/eco-core/core-plugin/src/main/java/com/willfp/eco/spigot/gui/GUIListener.java
index 4b8ea4dd..b11544db 100644
--- a/eco-core/core-plugin/src/main/java/com/willfp/eco/spigot/gui/GUIListener.java
+++ b/eco-core/core-plugin/src/main/java/com/willfp/eco/spigot/gui/GUIListener.java
@@ -54,6 +54,10 @@ public class GUIListener extends PluginDependent<EcoPlugin> implements Listener
 
         Menu menu = MenuHandler.getMenu(event.getInventory());
 
+        if (menu == null) {
+            return;
+        }
+
         Validate.isTrue(menu instanceof EcoMenu, "Menu not instance of EcoMenu!");
 
         EcoMenu ecoMenu = (EcoMenu) menu;