diff --git a/resource/README.md b/resource/README.md
index 65caa08..ab9d5ea 100644
--- a/resource/README.md
+++ b/resource/README.md
@@ -43,7 +43,7 @@ with MinedMap's resource metadata.
 5. Edit `blocks.json` until the following command passes without errors:
 
      ```sh
-     ./extract.py blocks.json data/new/assets/minecraft/textures/block colors.json
+     ./extract.py blocks.json data/new colors.json
      ```
 
    If possible, the top texture of blocks should be used where different sides
diff --git a/resource/extract.py b/resource/extract.py
index 9621b95..31c1e97 100755
--- a/resource/extract.py
+++ b/resource/extract.py
@@ -11,7 +11,7 @@ if len(sys.argv) != 4:
 	sys.exit('Usage: extract.py <blocks.json> <asset directory> <colors.json>')
 
 def mean_color(texture):
-	path = os.path.join(sys.argv[2], texture + '.png')
+	path = os.path.join(sys.argv[2], 'assets/minecraft/textures/block', texture + '.png')
 	im = Image.open(path)
 
 	data = im.convert('RGBA').getdata()