diff --git a/core/assets-raw/sprites/blocks/distribution/block-unloader.png b/core/assets-raw/sprites/blocks/distribution/block-unloader.png
index 123ba4c0c6..2ee0b89d9b 100644
Binary files a/core/assets-raw/sprites/blocks/distribution/block-unloader.png and b/core/assets-raw/sprites/blocks/distribution/block-unloader.png differ
diff --git a/core/assets-raw/sprites/blocks/production/graphite-press.png b/core/assets-raw/sprites/blocks/production/graphite-press.png
index 91607c0dc0..ae10817332 100644
Binary files a/core/assets-raw/sprites/blocks/production/graphite-press.png and b/core/assets-raw/sprites/blocks/production/graphite-press.png differ
diff --git a/core/assets-raw/sprites/blocks/production/multi-press.png b/core/assets-raw/sprites/blocks/production/multi-press.png
index e0a57702e0..fac4209d6b 100644
Binary files a/core/assets-raw/sprites/blocks/production/multi-press.png and b/core/assets-raw/sprites/blocks/production/multi-press.png differ
diff --git a/core/assets-raw/sprites/blocks/production/silicon-smelter.png b/core/assets-raw/sprites/blocks/production/silicon-smelter.png
index 510deee463..a101a35605 100644
Binary files a/core/assets-raw/sprites/blocks/production/silicon-smelter.png and b/core/assets-raw/sprites/blocks/production/silicon-smelter.png differ
diff --git a/core/assets-raw/sprites/blocks/walls/door-large.png b/core/assets-raw/sprites/blocks/walls/door-large.png
index 84d035c251..d667bd7029 100644
Binary files a/core/assets-raw/sprites/blocks/walls/door-large.png and b/core/assets-raw/sprites/blocks/walls/door-large.png differ
diff --git a/core/assets-raw/sprites/blocks/walls/door.png b/core/assets-raw/sprites/blocks/walls/door.png
index 17b214671a..92ac126a1c 100644
Binary files a/core/assets-raw/sprites/blocks/walls/door.png and b/core/assets-raw/sprites/blocks/walls/door.png differ
diff --git a/tools/build.gradle b/tools/build.gradle
index bd77f189c5..04e1bfdda3 100644
--- a/tools/build.gradle
+++ b/tools/build.gradle
@@ -240,7 +240,8 @@ task swapColors(){
 
             fileTree(dir: '../core/assets-raw/sprites', include: "**/*.png").visit{ file ->
                 if(file.isDirectory()) return
-                swaps++
+
+                boolean found = false
 
                 def img = ImageIO.read(file.file)
                 for(x in (0..img.getWidth() - 1)){
@@ -250,10 +251,14 @@ task swapColors(){
                         if(tmpc.a < 0.1f) continue
                         if(map.containsKey(c)){
                             img.setRGB(x, y, (int)map.get(c))
+                            found = true
                         }
                     }
                 }
-                ImageIO.write(img, "png", file.file)
+                if(found){
+                    swaps++
+                    ImageIO.write(img, "png", file.file)
+                }
             }
             println "Swapped $swaps images."
         }else{