diff --git a/src/main/scala/li/cil/oc/integration/appeng/NetworkControl.scala b/src/main/scala/li/cil/oc/integration/appeng/NetworkControl.scala
index dd50bb6cf..2d6ba93a9 100644
--- a/src/main/scala/li/cil/oc/integration/appeng/NetworkControl.scala
+++ b/src/main/scala/li/cil/oc/integration/appeng/NetworkControl.scala
@@ -100,7 +100,7 @@ trait NetworkControl[AETile >: Null <: TileEntity with IActionHost] {
       case (key: String, value: AnyRef) => (key, value)
     }
     result(allCraftables
-      .collect{ case aeCraftItem if matches(convert(aeCraftItem), filter) => new NetworkControl.Craftable(tile, pos, aeCraftItem) }
+      .collect{ case aeCraftItem if filter.isEmpty || matches(convert(aeCraftItem), filter) => new NetworkControl.Craftable(tile, pos, aeCraftItem) }
       .toArray)
   }