diff --git a/CHANGELOG.md b/CHANGELOG.md
index e69de29bb..01db4f8f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -0,0 +1 @@
+- Fix bug where v1 functions can't be emulated (#1615)
diff --git a/src/v2/index.ts b/src/v2/index.ts
index 0684c364e..10076ce7c 100644
--- a/src/v2/index.ts
+++ b/src/v2/index.ts
@@ -77,3 +77,7 @@ export { params };
 // NOTE: Required to support the Functions Emulator which monkey patches `functions.config()`
 // TODO(danielylee): Remove in next major release.
 export { config } from "../v1/config";
+
+// Required for v1 Emulator support.
+import { setApp as setEmulatedAdminApp } from "../common/app";
+export const app = { setEmulatedAdminApp };