diff --git a/builders/builder.py b/builders/builder.py
index 3d2c51e..4edfbef 100644
--- a/builders/builder.py
+++ b/builders/builder.py
@@ -383,7 +383,7 @@ class Builder(object):
         os.makedirs(dst_dir)
         for font_file in font_files:
             src = os.path.join(src_dir, font_file)
-            dst = os.path.join(dest_dir, font_file)
+            dst = os.path.join(dst_dir, font_file)
             copy(src, dst)
 
     def copy_display_files(self):
@@ -397,7 +397,7 @@ class Builder(object):
         os.makedirs(dst_dir)
         for display_file in os.listdir(src_dir):
             src = os.path.join(src_dir, display_file)
-            dst = os.path.join(dest_dir, display_file)
+            dst = os.path.join(dst_dir, display_file)
             copy(src, dst)
 
     def copy_extra_files(self):