diff --git a/apps/server/src/orchestration-v2/Adapters/ClaudeAdapterV2.test.ts b/apps/server/src/orchestration-v2/Adapters/ClaudeAdapterV2.test.ts
index cc4896c9afb04bc27fb36bac6f5520a29822d5f3..7460977ecb1b6fa47f5ab34e29e7387a803a5445 100644
--- a/apps/server/src/orchestration-v2/Adapters/ClaudeAdapterV2.test.ts
+++ b/apps/server/src/orchestration-v2/Adapters/ClaudeAdapterV2.test.ts
@@ -3150,7 +3150,8 @@ describe("ClaudeAdapterV2 background wake turns", () => {
   it.effect("names an expired Claude login instead of the terminal API error", () =>
     Effect.gen(function* () {
       const configDir = "/synthetic/Claude config";
-      const cwd = "/synthetic/project";
+      // The adapter resolves the cwd on the host, which adds a drive letter on Windows.
+      const cwd = NodePath.resolve("/synthetic/project");
       const harness = yield* makeWakeHarnessWithOptions({
         environment: { CLAUDE_CONFIG_DIR: configDir },
       });
@@ -3187,7 +3188,8 @@ describe("ClaudeAdapterV2 background wake turns", () => {
       if (terminal.status !== "failed") return;
       assert.include(terminal.failure.message, "run `claude auth login`");
       assert.include(terminal.failure.message, configDir);
-      assert.include(terminal.failure.message, cwd);
+      // The message quotes its paths, which escapes Windows separators.
+      assert.include(terminal.failure.message, JSON.stringify(cwd));
       assert.notInclude(terminal.failure.message, "repeated API errors");
     }).pipe(
       Effect.provide(