diff --git a/assets/mods/basegame/items/itemid.csv b/assets/mods/basegame/items/itemid.csv
index 19f2e3b42..20237e377 100644
--- a/assets/mods/basegame/items/itemid.csv
+++ b/assets/mods/basegame/items/itemid.csv
@@ -1,2 +1,3 @@
    "id";"classname"
- "8448";"net.torvald.terrarum.modulebasegame.items.PickaxeGeneric"
\ No newline at end of file
+ "8448";"net.torvald.terrarum.modulebasegame.items.PickaxeGeneric"
+ "8449";"net.torvald.terrarum.modulebasegame.items.WirePieceSignalWire"
diff --git a/src/net/torvald/terrarum/modulebasegame/ui/UIItemInventoryDynamicList.kt b/src/net/torvald/terrarum/modulebasegame/ui/UIItemInventoryDynamicList.kt
index 3ef6f063a..743f7b9ff 100644
--- a/src/net/torvald/terrarum/modulebasegame/ui/UIItemInventoryDynamicList.kt
+++ b/src/net/torvald/terrarum/modulebasegame/ui/UIItemInventoryDynamicList.kt
@@ -50,16 +50,16 @@ class UIItemInventoryDynamicList(
 
 
     val catIconsMeaning = listOf( // sortedBy: catArrangement
-            GameItem.Category.WEAPON,
-            GameItem.Category.TOOL,
-            GameItem.Category.ARMOUR,
-            GameItem.Category.GENERIC,
-            GameItem.Category.POTION,
-            GameItem.Category.MAGIC,
-            GameItem.Category.BLOCK,
-            GameItem.Category.WALL,
-            GameItem.Category.MISC,
-            "__all__"
+            arrayOf(GameItem.Category.WEAPON),
+            arrayOf(GameItem.Category.TOOL, GameItem.Category.WIRE),
+            arrayOf(GameItem.Category.ARMOUR),
+            arrayOf(GameItem.Category.GENERIC),
+            arrayOf(GameItem.Category.POTION),
+            arrayOf(GameItem.Category.MAGIC),
+            arrayOf(GameItem.Category.BLOCK),
+            arrayOf(GameItem.Category.WALL),
+            arrayOf(GameItem.Category.MISC),
+            arrayOf("__all__")
     )
 
     private val inventoryUI = parentUI
@@ -316,7 +316,7 @@ class UIItemInventoryDynamicList(
 
         // filter items
         inventory.forEach {
-            if (ItemCodex[it.item]!!.inventoryCategory == filter || filter == "__all__")
+            if ((filter.contains(ItemCodex[it.item]!!.inventoryCategory) || filter[0] == "__all__"))
                 inventorySortList.add(it)
         }