diff --git a/.changeset/rotten-wombats-shop.md b/.changeset/rotten-wombats-shop.md
new file mode 100644
index 00000000000..bf36818339e
--- /dev/null
+++ b/.changeset/rotten-wombats-shop.md
@@ -0,0 +1,5 @@
+---
+'@firebase/database': patch
+---
+
+Fix `index not defined` errors for orderByChild get requests
diff --git a/packages/database/src/core/Repo.ts b/packages/database/src/core/Repo.ts
index d3938a75cc0..9479f620529 100644
--- a/packages/database/src/core/Repo.ts
+++ b/packages/database/src/core/Repo.ts
@@ -466,7 +466,9 @@ export function repoGetValue(repo: Repo, query: QueryContext): Promise<Node> {
   }
   return repo.server_.get(query).then(
     payload => {
-      const node = nodeFromJSON(payload as string);
+      const node = nodeFromJSON(payload as string).withIndex(
+        query._queryParams.getIndex()
+      );
       const events = syncTreeApplyServerOverwrite(
         repo.serverSyncTree_,
         query._path,