diff --git a/packages/server/src/server/agent/mcp-server.test.ts b/packages/server/src/server/agent/mcp-server.test.ts
index e1d25d5ed3..ac4447c486 100644
--- a/packages/server/src/server/agent/mcp-server.test.ts
+++ b/packages/server/src/server/agent/mcp-server.test.ts
@@ -2795,7 +2795,9 @@ describe("create_agent MCP tool", () => {
         force: true,
         reason: "archive-worktree",
       });
-      expect(archiveWorkspaceRecord).toHaveBeenCalledWith("ws-archive-tool-worktree");
+      expect(archiveWorkspaceRecord).toHaveBeenCalledWith("ws-archive-tool-worktree", {
+        releaseBacking: true,
+      });
       expect(markWorkspaceArchiving).toHaveBeenCalledWith(
         ["ws-archive-tool-worktree"],
         expect.any(String),