diff --git a/core/assets/maps/impact0079.mmap b/core/assets/maps/impact0079.mmap
index a8036f1bb2..0451d04b2a 100644
Binary files a/core/assets/maps/impact0079.mmap and b/core/assets/maps/impact0079.mmap differ
diff --git a/core/assets/maps/nuclearProductionComplex.mmap b/core/assets/maps/nuclearProductionComplex.mmap
index afb13fb5a6..ad90b921fd 100644
Binary files a/core/assets/maps/nuclearProductionComplex.mmap and b/core/assets/maps/nuclearProductionComplex.mmap differ
diff --git a/core/src/io/anuke/mindustry/ui/dialogs/TechTreeDialog.java b/core/src/io/anuke/mindustry/ui/dialogs/TechTreeDialog.java
index de6d3d0a34..83274b4359 100644
--- a/core/src/io/anuke/mindustry/ui/dialogs/TechTreeDialog.java
+++ b/core/src/io/anuke/mindustry/ui/dialogs/TechTreeDialog.java
@@ -58,7 +58,7 @@ public class TechTreeDialog extends FloatingDialog{
         boolean locked = locked(node.node);
         if(!locked) node.visible = true;
         for(TechTreeNode l : node.children){
-            l.visible = !locked && l.node.block.isVisible();
+            l.visible = !locked;
             checkNodes(l);
         }
 
@@ -89,7 +89,7 @@ public class TechTreeDialog extends FloatingDialog{
     }
 
     boolean locked(TechNode node){
-        return !data.isUnlocked(node.block);
+        return node.block.locked();
     }
 
     class TechTreeNode extends TreeNode<TechTreeNode>{
diff --git a/core/src/io/anuke/mindustry/world/blocks/power/PowerGraph.java b/core/src/io/anuke/mindustry/world/blocks/power/PowerGraph.java
index 132dfb5b1a..c1ad348d2e 100644
--- a/core/src/io/anuke/mindustry/world/blocks/power/PowerGraph.java
+++ b/core/src/io/anuke/mindustry/world/blocks/power/PowerGraph.java
@@ -237,7 +237,7 @@ public class PowerGraph{
         }
     }
 
-    //currently ignores all other values and consumes power anyway.
+    //currently ignores all other consumers and consumes power anyway.
     private boolean otherConsumersAreValid(Tile tile, Consume consumePower){
         /*
         for(Consume cons : tile.block().consumes.all()){
diff --git a/core/src/io/anuke/mindustry/world/blocks/units/RepairPoint.java b/core/src/io/anuke/mindustry/world/blocks/units/RepairPoint.java
index f53641b9b6..7b3beb34c6 100644
--- a/core/src/io/anuke/mindustry/world/blocks/units/RepairPoint.java
+++ b/core/src/io/anuke/mindustry/world/blocks/units/RepairPoint.java
@@ -98,7 +98,7 @@ public class RepairPoint extends Block{
 
     @Override
     public TextureRegion[] generateIcons(){
-        return new TextureRegion[]{Core.atlas.find(name + "-base"), Core.atlas.find(name + "-turret")};
+        return new TextureRegion[]{Core.atlas.find(name + "-base"), Core.atlas.find(name)};
     }
 
     @Override