diff --git a/assets/mods/basegame/crafting/wires.json b/assets/mods/basegame/crafting/wires.json
index 27278c9f4..35db45218 100644
--- a/assets/mods/basegame/crafting/wires.json
+++ b/assets/mods/basegame/crafting/wires.json
@@ -2,24 +2,39 @@
   "wire@basegame:8192": { /* signal wire red */
     "workbench": "",
     "ingredients": [
-      [10, 1, "item@basegame:112"], /* 1 copper */
       [1, 1, "$SIGNALWIRE"] /* 1 other signal wire */
     ]
   },
   "wire@basegame:8193": { /* signal wire green */
     "workbench": "",
     "ingredients": [
-      [10, 1, "item@basegame:112"], /* 1 copper */
       [1, 1, "$SIGNALWIRE"] /* 1 other signal wire */
     ]  },
   "wire@basegame:8194": { /* signal wire blue */
     "workbench": "",
     "ingredients": [
-      [10, 1, "item@basegame:112"], /* 1 copper */
       [1, 1, "$SIGNALWIRE"] /* 1 other signal wire */
     ]
   },
 
+  "wire@basegame:8192": { /* signal wire red */
+    "workbench": "wirerollingmill",
+    "ingredients": [
+      [10, 1, "item@basegame:112"] /* 1 copper */
+    ]
+  },
+  "wire@basegame:8193": { /* signal wire green */
+    "workbench": "wirerollingmill",
+    "ingredients": [
+      [10, 1, "item@basegame:112"] /* 1 copper */
+    ]  },
+  "wire@basegame:8194": { /* signal wire blue */
+    "workbench": "wirerollingmill",
+    "ingredients": [
+      [10, 1, "item@basegame:112"] /* 1 copper */
+    ]
+  },
+
   "item@basegame:35": { /* copper bulb */
     "workbench": "basiccrafting",
     "ingredients": [
diff --git a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureSignalBulb.kt b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureSignalBulb.kt
index f2431c2a0..12d2d687f 100644
--- a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureSignalBulb.kt
+++ b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureSignalBulb.kt
@@ -14,6 +14,7 @@ import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
 class FixtureSignalBulb : Electric {
 
     @Transient override val spawnNeedsFloor = false
+    @Transient override val spawnNeedsWall = true
 
     constructor() : super(
         BlockBox(BlockBox.NO_COLLISION, 1, 1),