diff --git a/packages/server/src/server/workspace-git-service.primitive.test.ts b/packages/server/src/server/workspace-git-service.primitive.test.ts
index 590a4c49b..0211e644c 100644
--- a/packages/server/src/server/workspace-git-service.primitive.test.ts
+++ b/packages/server/src/server/workspace-git-service.primitive.test.ts
@@ -59,6 +59,7 @@ function createCheckoutStatus(
   return {
     isGit: true,
     repoRoot: cwd,
+    mainRepoRoot: null,
     currentBranch: "main",
     isDirty: false,
     baseRef: "main",