diff --git a/integration-tests/plan-mode.test.ts b/integration-tests/plan-mode.test.ts
index 5a1c91e4e1..2467b6027e 100644
--- a/integration-tests/plan-mode.test.ts
+++ b/integration-tests/plan-mode.test.ts
@@ -113,7 +113,7 @@ describe('Plan Mode', () => {
     ).toBe(true);
   });
 
-  it.skip('should deny write_file to non-plans directory in plan mode', async () => {
+  it('should deny write_file to non-plans directory in plan mode', async () => {
     const plansDir = '.gemini/tmp/foo/123/plans';
     const testName =
       'should deny write_file to non-plans directory in plan mode';
@@ -135,7 +135,7 @@ describe('Plan Mode', () => {
 
     await rig.run({
       approvalMode: 'plan',
-      args: 'Create a file called hello.txt in the current directory.',
+      args: 'Attempt to create a file named "hello.txt" in the current directory. Do not create a plan file, try to write hello.txt directly.',
     });
 
     const toolLogs = rig.readToolLogs();