diff --git a/apps/desktop/src/app/session/hooks/use-session-actions/utils.test.ts b/apps/desktop/src/app/session/hooks/use-session-actions/utils.test.ts
index ea40e7705ad5..0b48516783b2 100644
--- a/apps/desktop/src/app/session/hooks/use-session-actions/utils.test.ts
+++ b/apps/desktop/src/app/session/hooks/use-session-actions/utils.test.ts
@@ -432,6 +432,13 @@ describe('preserveLocalPendingTurnMessages', () => {
     expect(preserveLocalPendingTurnMessages(next, previous)).toBe(next)
   })
 
+  it('does not resurrect a completed stream bubble after persisted history catches up', () => {
+    const next = [msg('1-user-stored', 'user', 'question'), msg('2-assistant-stored', 'assistant', 'answer')]
+    const completedLocalStream = msg('assistant-stream-runtime-1', 'assistant', 'answer', { pending: false })
+
+    expect(preserveLocalPendingTurnMessages(next, [...next, completedLocalStream])).toBe(next)
+  })
+
   it('drops stale optimistic history after compression and keeps only the live tail', () => {
     const compressedAuthority = [
       msg('stored-user', 'user', 'first turn that survived compression'),
diff --git a/apps/desktop/src/app/session/hooks/use-session-actions/utils.ts b/apps/desktop/src/app/session/hooks/use-session-actions/utils.ts
index 1f86fd7c4067..2606e1f5d437 100644
--- a/apps/desktop/src/app/session/hooks/use-session-actions/utils.ts
+++ b/apps/desktop/src/app/session/hooks/use-session-actions/utils.ts
@@ -389,8 +389,7 @@ export function preserveLocalPendingTurnMessages(
 
     const isOptimisticUser = message.role === 'user' && message.id.startsWith('user-')
 
-    const isPendingAssistant =
-      message.role === 'assistant' && (message.pending === true || message.id.startsWith('assistant-stream-'))
+    const isPendingAssistant = message.role === 'assistant' && message.pending === true
 
     if ((!isOptimisticUser && !isPendingAssistant) || nextIds.has(message.id)) {
       continue