diff --git a/build.gradle b/build.gradle
index 0ccf28a2b0..e4ccc3dd26 100644
--- a/build.gradle
+++ b/build.gradle
@@ -21,7 +21,7 @@ allprojects {
         appName = "Mindustry"
         gdxVersion = '1.9.8'
         aiVersion = '1.8.1'
-        uCoreVersion = '298c4a4';
+        uCoreVersion = 'ee4b46a';
     }
 
     repositories {
diff --git a/core/src/io/anuke/mindustry/core/Control.java b/core/src/io/anuke/mindustry/core/Control.java
index 8b6fad6b62..0ae9e87f2a 100644
--- a/core/src/io/anuke/mindustry/core/Control.java
+++ b/core/src/io/anuke/mindustry/core/Control.java
@@ -48,7 +48,7 @@ import java.util.Arrays;
 import static io.anuke.mindustry.Vars.*;
 
 public class Control extends Module{
-	io.anuke.mindustry.game.Tutorial tutorial = new io.anuke.mindustry.game.Tutorial();
+	Tutorial tutorial = new Tutorial();
 	boolean hiscore = false;
 	
 	final Array<Weapon> weapons = new Array<>();
diff --git a/core/src/io/anuke/mindustry/world/Block.java b/core/src/io/anuke/mindustry/world/Block.java
index e82f899326..cd3988893d 100644
--- a/core/src/io/anuke/mindustry/world/Block.java
+++ b/core/src/io/anuke/mindustry/world/Block.java
@@ -21,7 +21,7 @@ import io.anuke.ucore.util.Mathf;
 import io.anuke.ucore.util.Tmp;
 public class Block{
 	private static int lastid;
-	private static Array<Block> blocks = new Array<Block>();
+	private static Array<Block> blocks = new Array<>();
 	private static ObjectMap<String, Block> map = new ObjectMap<>();
 	
 	protected static TextureRegion temp = new TextureRegion();
diff --git a/core/src/io/anuke/mindustry/world/blocks/types/distribution/Junction.java b/core/src/io/anuke/mindustry/world/blocks/types/distribution/Junction.java
index 07758becd4..450e75e172 100644
--- a/core/src/io/anuke/mindustry/world/blocks/types/distribution/Junction.java
+++ b/core/src/io/anuke/mindustry/world/blocks/types/distribution/Junction.java
@@ -21,7 +21,7 @@ public class Junction extends Block{
 	@Override
 	public void handleItem(Item item, Tile tile, Tile source){
 		int dir = source.relativeTo(tile.x, tile.y);
-		Tile to = tile.getNearby()[dir];
+		Tile to = tile.getNearby(temptiles)[dir];
 		
 		Timers.run(30, ()->{
 			if(to == null) return;
@@ -34,7 +34,7 @@ public class Junction extends Block{
 	public boolean acceptItem(Item item, Tile tile, Tile source){
 		int dir = source.relativeTo(tile.x, tile.y);
 		if(dir == -1) return false;
-		Tile to = tile.getNearby()[dir];
+		Tile to = tile.getNearby(temptiles)[dir];
 		return to != null && to.block().acceptItem(item, to, tile);
 	}