diff --git a/frontend/taskdeck-web/src/components/workspace/WorkspaceSetupModal.vue b/frontend/taskdeck-web/src/components/workspace/WorkspaceSetupModal.vue
index fc87d0d33..acdc20b3c 100644
--- a/frontend/taskdeck-web/src/components/workspace/WorkspaceSetupModal.vue
+++ b/frontend/taskdeck-web/src/components/workspace/WorkspaceSetupModal.vue
@@ -71,6 +71,18 @@ async function applyStarterPack(boardId: string, starterPackId: string): Promise
   }
 }
 
+function onBoardNameKeydown(event: KeyboardEvent) {
+  // A composing Enter commits an IME candidate; leave it uncancelled so the commit lands
+  // (the same contract as PaperCaptureNib and ApplyToBoardDialog). Only an ordinary Enter
+  // is claimed as the submit gesture.
+  if (event.isComposing) {
+    return
+  }
+
+  event.preventDefault()
+  void submitSetup()
+}
+
 async function submitSetup() {
   if (!canSubmit.value || !selectedSetup.value) {
     return
@@ -154,7 +166,7 @@ watch(
               type="text"
               maxlength="100"
               placeholder="For example: Product Sprint"
-              @keydown.enter.prevent="submitSetup"
+              @keydown.enter="onBoardNameKeydown"
             />
           </label>
 
diff --git a/frontend/taskdeck-web/src/tests/components/WorkspaceSetupModal.spec.ts b/frontend/taskdeck-web/src/tests/components/WorkspaceSetupModal.spec.ts
index fd5ef5de9..0b54c4221 100644
--- a/frontend/taskdeck-web/src/tests/components/WorkspaceSetupModal.spec.ts
+++ b/frontend/taskdeck-web/src/tests/components/WorkspaceSetupModal.spec.ts
@@ -120,6 +120,39 @@ describe('WorkspaceSetupModal', () => {
     expect(mocks.push).toHaveBeenCalledWith('/workspace/boards/board-1')
   })
 
+  it('ignores Enter while IME composition is active, then submits ordinary Enter once', async () => {
+    const wrapper = mount(WorkspaceSetupModal, {
+      props: {
+        isOpen: true,
+      },
+    })
+
+    const input = wrapper.get('input[placeholder="For example: Product Sprint"]')
+    await input.setValue('IME Board')
+
+    const composingEnter = new KeyboardEvent('keydown', {
+      key: 'Enter',
+      isComposing: true,
+      bubbles: true,
+      cancelable: true,
+    })
+    // Not cancelled: the composing keystroke must reach the IME so the candidate commits.
+    expect(input.element.dispatchEvent(composingEnter)).toBe(true)
+    await waitForUi()
+    expect(mocks.createBoard).not.toHaveBeenCalled()
+
+    const ordinaryEnter = new KeyboardEvent('keydown', {
+      key: 'Enter',
+      bubbles: true,
+      cancelable: true,
+    })
+    expect(input.element.dispatchEvent(ordinaryEnter)).toBe(false)
+    await waitForUi()
+
+    expect(mocks.createBoard).toHaveBeenCalledTimes(1)
+    expect(mocks.createBoard).toHaveBeenCalledWith({ name: 'IME Board' })
+  })
+
   it('cancels on a dispatched Escape while allowing the submitting lock to hold', async () => {
     const wrapper = mount(WorkspaceSetupModal, {
       props: {