diff --git a/src/plugin-activation-boundary.test.ts b/src/plugin-activation-boundary.test.ts
index 0f7e0e793de..fbbedae6ec6 100644
--- a/src/plugin-activation-boundary.test.ts
+++ b/src/plugin-activation-boundary.test.ts
@@ -19,7 +19,7 @@ const loadBundledPluginPublicSurfaceModuleSync = vi.hoisted(() =>
   }),
 );
 
-const loadPluginManifestRegistry = vi.hoisted(() =>
+const loadPluginManifestRegistryForPluginRegistry = vi.hoisted(() =>
   vi.fn(() => ({
     diagnostics: [],
     plugins: [
@@ -78,8 +78,8 @@ const facadeMockHelpers = vi.hoisted(() => {
   return { createLazyFacadeArrayValue, createLazyFacadeObjectValue };
 });
 
-vi.mock("./plugins/manifest-registry.js", () => ({
-  loadPluginManifestRegistry,
+vi.mock("./plugins/plugin-registry.js", () => ({
+  loadPluginManifestRegistryForPluginRegistry,
 }));
 
 vi.mock("./secrets/channel-env-vars.js", () => ({