diff --git a/core/assets-raw/sprites/blocks/liquid/liquid-container-liquid.png b/core/assets-raw/sprites/blocks/liquid/liquid-container-liquid.png
new file mode 100644
index 0000000000..435e380369
Binary files /dev/null and b/core/assets-raw/sprites/blocks/liquid/liquid-container-liquid.png differ
diff --git a/core/assets-raw/sprites/blocks/production/cryofluid-mixer-bottom.png b/core/assets-raw/sprites/blocks/production/cryofluid-mixer-bottom.png
index b9bc65af45..8b07e080d3 100644
Binary files a/core/assets-raw/sprites/blocks/production/cryofluid-mixer-bottom.png and b/core/assets-raw/sprites/blocks/production/cryofluid-mixer-bottom.png differ
diff --git a/core/src/mindustry/world/blocks/environment/StaticTree.java b/core/src/mindustry/world/blocks/environment/StaticTree.java
index 9b1a7063f4..0cea162c2c 100644
--- a/core/src/mindustry/world/blocks/environment/StaticTree.java
+++ b/core/src/mindustry/world/blocks/environment/StaticTree.java
@@ -10,6 +10,7 @@ public class StaticTree extends StaticWall{
 
     public StaticTree(String name){
         super(name);
+        variants = 0;
     }
 
     @Override
diff --git a/core/src/mindustry/world/blocks/payloads/PayloadBlock.java b/core/src/mindustry/world/blocks/payloads/PayloadBlock.java
index 17f74ac4ad..86247f85aa 100644
--- a/core/src/mindustry/world/blocks/payloads/PayloadBlock.java
+++ b/core/src/mindustry/world/blocks/payloads/PayloadBlock.java
@@ -25,6 +25,7 @@ public class PayloadBlock extends Block{
 
         update = true;
         sync = true;
+        group = BlockGroup.payloads;
         envEnabled |= Env.space;
     }
 
diff --git a/core/src/mindustry/world/meta/BlockGroup.java b/core/src/mindustry/world/meta/BlockGroup.java
index d1e995887e..72a850d6c4 100644
--- a/core/src/mindustry/world/meta/BlockGroup.java
+++ b/core/src/mindustry/world/meta/BlockGroup.java
@@ -1,7 +1,7 @@
 package mindustry.world.meta;
 
 public enum BlockGroup{
-    none, walls(true), projectors(true), turrets(true), transportation(true), power, liquids(true), drills, units, logic(true);
+    none, walls(true), projectors(true), turrets(true), transportation(true), power, liquids(true), drills, units, logic(true), payloads(true);
 
     /** if true, any block in this category replaces any other block in this category. */
     public final boolean anyReplace;