diff --git a/build/builder.sh b/build/builder.sh
index 43c624e..c05d29a 100644
--- a/build/builder.sh
+++ b/build/builder.sh
@@ -40,8 +40,11 @@ htmlfiles=$(find $gendir/ -regex "$gendir/.*\.html")
 chmod -R u+w $gendir
 echo $htmlfiles | xargs ${gems}/bin/bundle exec ${ruby}/bin/ruby ./convert.rb --katex-js-file static/katex/katex.min.js
 echo $htmlfiles | xargs ${gems}/bin/bundle exec ${ruby}/bin/ruby ./agda.rb
-echo $htmlfiles | xargs ${gems}/bin/bundle exec ${ruby}/bin/ruby ./chatgpt-subset-feather-icon.rb $gendir/feather-sprite.svg
-echo $htmlfiles | xargs python3 chatgpt-subset-one-go.py $gendir/fonts
+
+if [ "$subset" = "true" ]; then
+  echo $htmlfiles | xargs ${gems}/bin/bundle exec ${ruby}/bin/ruby ./chatgpt-subset-feather-icon.rb $gendir/feather-sprite.svg
+  echo $htmlfiles | xargs python3 chatgpt-subset-one-go.py $gendir/fonts
+fi
 
 # Output result
 mkdir $out
diff --git a/lib.nix b/lib.nix
index 8ab55b5..588716f 100644
--- a/lib.nix
+++ b/lib.nix
@@ -61,6 +61,7 @@ let
     buildInputs = [
       hugo ruby stork agdaEnv pythonEnv
     ];
+    subset = lib.boolToString settings.subset;
   };
 in
   {
@@ -68,6 +69,7 @@ in
       inherit (settings) host;
       ssl = settings.ssl or false;
       drafts = settings.drafts or false;
+      subset = settings.subset or true;
       src = blog-source;
       path = ".";
     };