diff --git a/src/main/java/de/ellpeck/prettypipes/pipe/PipeTileEntity.java b/src/main/java/de/ellpeck/prettypipes/pipe/PipeTileEntity.java
index 80fc80d..42d2032 100644
--- a/src/main/java/de/ellpeck/prettypipes/pipe/PipeTileEntity.java
+++ b/src/main/java/de/ellpeck/prettypipes/pipe/PipeTileEntity.java
@@ -56,7 +56,7 @@ public class PipeTileEntity extends TileEntity implements INamedContainerProvide
             return 1;
         }
     };
-    private List<PipeItem> items;
+    protected List<PipeItem> items;
     private int lastItemAmount;
     private int priority;