diff --git a/build.gradle b/build.gradle
index e1292c36c7..b4e088bfc4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -58,7 +58,7 @@ project(":core") {
     apply plugin: "java"
 
     dependencies {
-        compile fileTree(dir: '../core/lib', include: '*.jar')
+       // compile fileTree(dir: '../core/lib', include: '*.jar')
         compile "com.badlogicgames.gdx:gdx:$gdxVersion"
         compile "com.badlogicgames.gdx:gdx-ai:1.8.1"
     }
diff --git a/core/src/io/anuke/mindustry/UI.java b/core/src/io/anuke/mindustry/UI.java
index a60f2e0b89..6de20e1636 100644
--- a/core/src/io/anuke/mindustry/UI.java
+++ b/core/src/io/anuke/mindustry/UI.java
@@ -349,6 +349,8 @@ public class UI extends SceneModule{
 				if(control.cameraScale < 4){
 					control.cameraScale = 4;
 					control.resize(Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
+					Draw.getSurface("pixel").setScale(control.cameraScale);
+					Draw.getSurface("shadow").setScale(control.cameraScale);
 				}
 			}).size(40);
 			
@@ -356,6 +358,8 @@ public class UI extends SceneModule{
 				if(control.cameraScale > 3){
 					control.cameraScale = 3;
 					control.resize(Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
+					Draw.getSurface("pixel").setScale(control.cameraScale);
+					Draw.getSurface("shadow").setScale(control.cameraScale);
 				}
 			}).size(40);
 			
diff --git a/core/src/io/anuke/mindustry/ui/UpgradeDialog.java b/core/src/io/anuke/mindustry/ui/UpgradeDialog.java
index abc1ef18b8..3004410b44 100644
--- a/core/src/io/anuke/mindustry/ui/UpgradeDialog.java
+++ b/core/src/io/anuke/mindustry/ui/UpgradeDialog.java
@@ -109,6 +109,8 @@ public class UpgradeDialog extends Dialog{
 			button.addListener(tip);
 			
 			button.clicked(()->{
+				if(button.isDisabled()) return;
+				
 				Inventory.removeItems(weapon.requirements);
 				weapons.put(weapon, true);
 				ui.updateWeapons();