diff --git a/src/main/java/net/ltxprogrammer/changed/client/renderer/DarkLatexWolfPupRenderer.java b/src/main/java/net/ltxprogrammer/changed/client/renderer/DarkLatexWolfPupRenderer.java
index 6d0e058ec..6bcc6761f 100644
--- a/src/main/java/net/ltxprogrammer/changed/client/renderer/DarkLatexWolfPupRenderer.java
+++ b/src/main/java/net/ltxprogrammer/changed/client/renderer/DarkLatexWolfPupRenderer.java
@@ -23,7 +23,7 @@ public DarkLatexWolfPupRenderer(EntityRendererProvider.Context context) {
 				.withSclera(Color3.fromInt(0x242424))
 				.withIris(CustomEyesLayer.fixedIfNotDarkLatexOverrideLeft(Color3.WHITE),
 						CustomEyesLayer.fixedIfNotDarkLatexOverrideRight(Color3.WHITE))
-				.build().setHeadShape(CustomEyesLayer.HeadShape.PUP));
+				.build().setHeadShape(CustomEyesLayer.HeadShape.PUP_CONCAVE));
 	}
 
 	@Override
diff --git a/src/main/java/net/ltxprogrammer/changed/client/renderer/layers/CustomEyesLayer.java b/src/main/java/net/ltxprogrammer/changed/client/renderer/layers/CustomEyesLayer.java
index a9cb0098d..b00ff4e4d 100644
--- a/src/main/java/net/ltxprogrammer/changed/client/renderer/layers/CustomEyesLayer.java
+++ b/src/main/java/net/ltxprogrammer/changed/client/renderer/layers/CustomEyesLayer.java
@@ -33,8 +33,8 @@
 public class CustomEyesLayer<M extends AdvancedHumanoidModel<T>, T extends ChangedEntity> extends RenderLayer<T, M> {
     public enum HeadShape implements StringRepresentable {
         NORMAL("normal", 0, 0, -4, -8, -4, 8, 8, 8, new CubeDeformation(0.0025f)),
-        PUP("pup", 2, 2, -4, -4, -6, 8, 8, 6, new CubeDeformation(0.0025f)),
-        PUP_P1("pup_p1", 2, 2, -4, -4, -7, 8, 8, 6, new CubeDeformation(0.0025f));
+        PUP_CONCAVE("pup_concave", 2, 2, -4, -4, -6, 8, 8, 6, new CubeDeformation(0.0025f)),
+        PUP("pup", 2, 2, -4, -4, -7, 8, 8, 6, new CubeDeformation(0.0025f));
         final String serializedName;
         final int texX, texY;
         final int x, y, z, width, height, depth;
diff --git a/src/main/resources/data/changed/structures/facility/room/maintenance/room_maintenance_generator_hall.nbt b/src/main/resources/data/changed/structures/facility/room/maintenance/room_maintenance_generator_hall.nbt
new file mode 100644
index 000000000..27a4ca5f4
Binary files /dev/null and b/src/main/resources/data/changed/structures/facility/room/maintenance/room_maintenance_generator_hall.nbt differ
diff --git a/src/main/resources/data/changed/worldgen/changed/facility/room/maintenance/generator_hall.json b/src/main/resources/data/changed/worldgen/changed/facility/room/maintenance/generator_hall.json
new file mode 100644
index 000000000..1b26b74ba
--- /dev/null
+++ b/src/main/resources/data/changed/worldgen/changed/facility/room/maintenance/generator_hall.json
@@ -0,0 +1,11 @@
+{
+  "piece": {
+    "type": "changed:room",
+    "template": "changed:facility/room/maintenance/room_maintenance_generator_hall",
+    "loot_table": "changed:chests/decayed_lab_aqua"
+  },
+  "spawn_weight": 10,
+  "neighboring_zones": [
+    "changed:maintenance"
+  ]
+}
\ No newline at end of file