diff --git a/src/main/java/com/glodblock/github/client/gui/GuiLevelMaintainer.java b/src/main/java/com/glodblock/github/client/gui/GuiLevelMaintainer.java
index acd90762..f5c78a3f 100644
--- a/src/main/java/com/glodblock/github/client/gui/GuiLevelMaintainer.java
+++ b/src/main/java/com/glodblock/github/client/gui/GuiLevelMaintainer.java
@@ -24,6 +24,7 @@ import com.glodblock.github.util.NameConst;
 
 import appeng.api.features.LevelState;
 import appeng.api.storage.data.IAEStack;
+import appeng.api.storage.data.IAEStackType;
 import appeng.client.gui.GuiSub;
 import appeng.client.gui.slots.VirtualMEPhantomSlot;
 import appeng.client.gui.widgets.GuiTabButton;
@@ -61,7 +62,8 @@ public class GuiLevelMaintainer extends GuiSub {
                     27,
                     20 + i * 19,
                     this.cont.getTile().getAEStackInventory(),
-                    i);
+                    i,
+                    GuiLevelMaintainer::acceptType);
             slot.setShowAmount(true);
             slot.setShowAmountAlways(true);
             this.registerVirtualSlots(slot);
@@ -193,6 +195,10 @@ public class GuiLevelMaintainer extends GuiSub {
         component[index].setState(state);
     }
 
+    private static boolean acceptType(VirtualMEPhantomSlot slot, IAEStackType<?> type, int mouseButton) {
+        return true;
+    }
+
     private class Component {
 
         public boolean isEnable = false;