diff --git a/.changeset/fluffy-pianos-shout.md b/.changeset/fluffy-pianos-shout.md
new file mode 100644
index 0000000..7395426
--- /dev/null
+++ b/.changeset/fluffy-pianos-shout.md
@@ -0,0 +1,5 @@
+---
+"@effect/docgen": patch
+---
+
+fix config handling
diff --git a/docs/_config.yml b/docs/_config.yml
index 40cfe66..a568e27 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -1,4 +1,4 @@
-remote_theme: pmarsceill/just-the-docs
+remote_theme: mikearnaldi/just-the-docs
 
 # Enable or disable the site search
 search_enabled: true
diff --git a/src/Config.ts b/src/Config.ts
index 61abb3b..0315117 100644
--- a/src/Config.ts
+++ b/src/Config.ts
@@ -154,7 +154,7 @@ export const ConfigLive = Layer.effect(
       Option.match(
         maybeConfig,
         () => defaultConfig,
-        (loadedConfig) => ({ ...defaultConfig, loadedConfig })
+        (loadedConfig) => ({ ...defaultConfig, ...loadedConfig })
       )
     )
   })