diff --git a/frontend/src/features/workspace/components/DuplicateFormModal/DupeFormWizardProvider.test.tsx b/frontend/src/features/workspace/components/DuplicateFormModal/DupeFormWizardProvider.test.tsx
new file mode 100644
index 0000000000..5bae5703cb
--- /dev/null
+++ b/frontend/src/features/workspace/components/DuplicateFormModal/DupeFormWizardProvider.test.tsx
@@ -0,0 +1,156 @@
+import { act, renderHook } from '@testing-library/react'
+
+import { usePreviewForm } from '~features/admin-form/common/queries'
+import { useUser } from '~features/user/queries'
+import {
+  useDuplicateFormMutations,
+  useEmailModeFeedbackMutation,
+} from '~features/workspace/mutations'
+import { useDashboard } from '~features/workspace/queries'
+import { useWorkspaceContext } from '~features/workspace/WorkspaceContext'
+import { useWorkspaceRowsContext } from '~features/workspace/components/WorkspaceFormRow/WorkspaceRowsContext'
+
+import { CreateFormFlowStates } from '../CreateFormModal/CreateFormWizardContext'
+import { useCommonFormWizardProvider } from '../CreateFormModal/CreateFormWizardProvider'
+import { useDupeFormWizardContext } from './DupeFormWizardProvider'
+
+vi.mock('react-i18next', () => ({
+  useTranslation: () => ({ t: (k: string) => k }),
+}))
+vi.mock('~features/workspace/queries')
+vi.mock('~features/admin-form/common/queries')
+vi.mock('~features/workspace/mutations')
+vi.mock('~features/user/queries')
+vi.mock('~features/workspace/WorkspaceContext')
+vi.mock(
+  '~features/workspace/components/WorkspaceFormRow/WorkspaceRowsContext',
+)
+vi.mock('../CreateFormModal/CreateFormWizardProvider')
+
+const MOCK_FORM_TITLE = 'My Test Form'
+const MOCK_FORM_ID = 'form123'
+
+const makeMockPreviewFormData = (title = MOCK_FORM_TITLE) => ({
+  spcpSession: null,
+  form: { title, form_fields: [] },
+})
+
+const makeMockDashboardForms = (titles: string[] = []) =>
+  titles.map((title, i) => ({ _id: `id${i}`, title }))
+
+describe('DupeFormWizardProvider', () => {
+  const mockReset = vi.fn()
+  const mockMutation = { isLoading: false, mutate: vi.fn() }
+  let currentStep: CreateFormFlowStates
+
+  beforeEach(() => {
+    vi.clearAllMocks()
+    currentStep = CreateFormFlowStates.Details
+
+    vi.mocked(useCommonFormWizardProvider).mockImplementation(() => ({
+      formMethods: {
+        reset: mockReset,
+        getValues: vi.fn().mockReturnValue({}),
+        handleSubmit: vi.fn(),
+        setValue: vi.fn(),
+      } as any,
+      currentStep,
+      direction: 1 as const,
+      keypair: { publicKey: 'pk', secretKey: 'sk' } as any,
+      setCurrentStep: vi.fn(),
+    }))
+
+    vi.mocked(useWorkspaceRowsContext).mockReturnValue({
+      activeFormMeta: { _id: MOCK_FORM_ID } as any,
+    } as any)
+
+    vi.mocked(usePreviewForm).mockReturnValue({
+      data: makeMockPreviewFormData() as any,
+      isLoading: false,
+    } as any)
+
+    vi.mocked(useDashboard).mockReturnValue({
+      data: makeMockDashboardForms(),
+      isLoading: false,
+    } as any)
+
+    vi.mocked(useWorkspaceContext).mockReturnValue({
+      activeWorkspace: { _id: 'ws1' } as any,
+      isDefaultWorkspace: true,
+    } as any)
+
+    vi.mocked(useUser).mockReturnValue({
+      user: { email: 'test@example.com' } as any,
+    } as any)
+
+    vi.mocked(useDuplicateFormMutations).mockReturnValue({
+      dupeEmailModeFormMutation: mockMutation as any,
+      dupeStorageModeFormMutation: mockMutation as any,
+      dupeMultirespondentModeFormMutation: mockMutation as any,
+    } as any)
+
+    vi.mocked(useEmailModeFeedbackMutation).mockReturnValue({
+      emailModeFeedbackMutation: mockMutation as any,
+    } as any)
+  })
+
+  it('should call reset() with a generated title on the Details step', () => {
+    renderHook(() => useDupeFormWizardContext(vi.fn()))
+
+    expect(mockReset).toHaveBeenCalledOnce()
+    expect(mockReset).toHaveBeenCalledWith(
+      expect.objectContaining({ title: `${MOCK_FORM_TITLE}_1` }),
+    )
+  })
+
+  it('should not call reset() when dashboardForms changes after moving past the Details step', () => {
+    // Bug scenario: dashboard refetches after form is created, triggering useEffect
+    // which previously overwrote the title used for the secret key filename.
+    const { rerender } = renderHook(() => useDupeFormWizardContext(vi.fn()))
+
+    expect(mockReset).toHaveBeenCalledOnce()
+    mockReset.mockClear()
+
+    // Simulate: form was created, wizard moved to next step
+    currentStep = CreateFormFlowStates.Landing
+    // Simulate: dashboard refetches and now includes the newly created duplicate
+    vi.mocked(useDashboard).mockReturnValue({
+      data: makeMockDashboardForms([`${MOCK_FORM_TITLE}_1`]),
+      isLoading: false,
+    } as any)
+
+    act(() => {
+      rerender()
+    })
+
+    // reset() must NOT be called — this was the bug
+    expect(mockReset).not.toHaveBeenCalled()
+  })
+
+  it('should call reset() again when dashboardForms changes while still on the Details step', () => {
+    // Confirm that the guard does not break legitimate re-computation of the title
+    // while the user is still on the Details step (e.g. slow initial load).
+    const { rerender } = renderHook(() => useDupeFormWizardContext(vi.fn()))
+
+    expect(mockReset).toHaveBeenCalledWith(
+      expect.objectContaining({ title: `${MOCK_FORM_TITLE}_1` }),
+    )
+    mockReset.mockClear()
+
+    // Still on Details step, dashboard updated (e.g. another form was added externally)
+    vi.mocked(useDashboard).mockReturnValue({
+      data: makeMockDashboardForms([`${MOCK_FORM_TITLE}_1`]),
+      isLoading: false,
+    } as any)
+
+    act(() => {
+      rerender()
+    })
+
+    // reset() should fire again with an updated title (_2 since _1 now exists)
+    expect(mockReset).toHaveBeenCalledOnce()
+    expect(mockReset).toHaveBeenCalledWith(
+      expect.objectContaining({ title: `${MOCK_FORM_TITLE}_2` }),
+    )
+  })
+})
diff --git a/frontend/src/features/workspace/components/DuplicateFormModal/DupeFormWizardProvider.tsx b/frontend/src/features/workspace/components/DuplicateFormModal/DupeFormWizardProvider.tsx
index 5d6cb4799a..94a41fbba8 100644
--- a/frontend/src/features/workspace/components/DuplicateFormModal/DupeFormWizardProvider.tsx
+++ b/frontend/src/features/workspace/components/DuplicateFormModal/DupeFormWizardProvider.tsx
@@ -50,7 +50,8 @@ export const useDupeFormWizardContext = (
       isPreviewFormLoading ||
       isWorkspaceLoading ||
       !previewFormData ||
-      !dashboardForms
+      !dashboardForms ||
+      currentStep !== CreateFormFlowStates.Details
     ) {
       return
     }
@@ -66,6 +67,7 @@ export const useDupeFormWizardContext = (
     isPreviewFormLoading,
     isWorkspaceLoading,
     dashboardForms,
+    currentStep,
   ])
 
   const { handleSubmit, setValue } = formMethods