diff --git a/apps/desktop/src/plugins/kanban/board.tsx b/apps/desktop/src/plugins/kanban/board.tsx
index 2124e8dcd0..b8eade333b 100644
--- a/apps/desktop/src/plugins/kanban/board.tsx
+++ b/apps/desktop/src/plugins/kanban/board.tsx
@@ -79,6 +79,7 @@ import {
 } from './api'
 import { BoardSwitcher } from './board-switcher'
 import { TaskDrawer } from './drawer'
+import { shouldSubmitOnEnter } from './ime-enter'
 import { EMPTY_OVERRIDE, ModelOverrideField, overrideCreateFields, type TaskModelOverride } from './model-override'
 import { OrchestrationPanel } from './orchestration'
 import { columnMeta, type KanbanBoard, type KanbanTask, type TaskEstimate } from './types'
@@ -683,7 +684,7 @@ function NewTaskDialog({
             autoFocus
             onChange={event => setTitle(event.target.value)}
             onKeyDown={event => {
-              if (event.key === 'Enter') {
+              if (shouldSubmitOnEnter(event)) {
                 event.preventDefault()
                 void submit()
               }
diff --git a/apps/desktop/src/plugins/kanban/ime-enter.test.ts b/apps/desktop/src/plugins/kanban/ime-enter.test.ts
new file mode 100644
index 0000000000..b0180b69e0
--- /dev/null
+++ b/apps/desktop/src/plugins/kanban/ime-enter.test.ts
@@ -0,0 +1,21 @@
+import { describe, expect, it } from 'vitest'
+
+import { shouldSubmitOnEnter } from './ime-enter'
+
+describe('shouldSubmitOnEnter', () => {
+  it('submits a normal Enter keypress', () => {
+    expect(shouldSubmitOnEnter({ key: 'Enter', nativeEvent: {} })).toBe(true)
+  })
+
+  it('does not submit while IME composition is active', () => {
+    expect(shouldSubmitOnEnter({ key: 'Enter', nativeEvent: { isComposing: true } })).toBe(false)
+  })
+
+  it('does not submit Chromium composition-boundary keyCode 229', () => {
+    expect(shouldSubmitOnEnter({ key: 'Enter', nativeEvent: { keyCode: 229 } })).toBe(false)
+  })
+
+  it('does not submit non-Enter keys', () => {
+    expect(shouldSubmitOnEnter({ key: 'Escape', nativeEvent: {} })).toBe(false)
+  })
+})
diff --git a/apps/desktop/src/plugins/kanban/ime-enter.ts b/apps/desktop/src/plugins/kanban/ime-enter.ts
new file mode 100644
index 0000000000..53941e0f02
--- /dev/null
+++ b/apps/desktop/src/plugins/kanban/ime-enter.ts
@@ -0,0 +1,16 @@
+export interface ImeKeyEvent {
+  key: string
+  nativeEvent: {
+    isComposing?: boolean
+    keyCode?: number
+  }
+}
+
+/**
+ * Enter confirms an IME conversion before it should act as a submit shortcut.
+ * Chromium can report the legacy 229 keyCode around composition boundaries,
+ * so keep that fallback in addition to the standard isComposing signal.
+ */
+export function shouldSubmitOnEnter(event: ImeKeyEvent): boolean {
+  return event.key === 'Enter' && !event.nativeEvent.isComposing && event.nativeEvent.keyCode !== 229
+}