diff --git a/components/config/src/config/mod.rs b/components/config/src/config/mod.rs
index e0674276dd..2cda172127 100644
--- a/components/config/src/config/mod.rs
+++ b/components/config/src/config/mod.rs
@@ -109,6 +109,7 @@ pub struct SerializedConfig<'a> {
     build_search_index: bool,
     extra: &'a HashMap<String, Toml>,
     markdown: &'a markup::Markdown,
+    search: search::SerializedSearch<'a>,
 }
 
 impl Config {
@@ -331,6 +332,7 @@ impl Config {
             build_search_index: options.build_search_index,
             extra: &self.extra,
             markdown: &self.markdown,
+            search: self.search.serialize(),
         }
     }
 }
diff --git a/components/config/src/config/search.rs b/components/config/src/config/search.rs
index c96a874847..26c78f7464 100644
--- a/components/config/src/config/search.rs
+++ b/components/config/src/config/search.rs
@@ -44,3 +44,14 @@ impl Default for Search {
         }
     }
 }
+
+impl Search {
+    pub fn serialize(&self) -> SerializedSearch {
+        SerializedSearch { index_format: &self.index_format }
+    }
+}
+
+#[derive(Serialize)]
+pub struct SerializedSearch<'a> {
+    pub index_format: &'a IndexFormat,
+}