diff --git a/src/renderer/src/components/native-chat/NativeChatToolRun.test.tsx b/src/renderer/src/components/native-chat/NativeChatToolRun.test.tsx
index da9202254c0..a6edaee49e0 100644
--- a/src/renderer/src/components/native-chat/NativeChatToolRun.test.tsx
+++ b/src/renderer/src/components/native-chat/NativeChatToolRun.test.tsx
@@ -372,18 +372,28 @@ describe('NativeChatToolRun', () => {
     expect(screen.getByText('shell git log -1')).toBeInTheDocument()
   })
 
-  it('settles an orphaned running call when its turn lifecycle has ended', () => {
+  it('keeps a post-turn running call neutral until the item itself settles', () => {
     const blocks: NativeChatBlock[] = [
       { type: 'tool-call', name: 'shell', input: { command: 'sleep 1' }, state: 'running' }
     ]
 
-    const { container } = render(
+    const { container, rerender } = render(
       <NativeChatToolRun blocks={blocks} expandSignal={false} activeTurnIsWorking={false} />
     )
 
     expect(screen.queryByText('Running sleep 1')).toBeNull()
-    expect(container.querySelector('.lucide-check')).toBeInTheDocument()
+    expect(container.querySelector('.lucide-check')).toBeNull()
     expect(container.querySelector('.lucide-circle-alert')).toBeNull()
+    rerender(
+      <NativeChatToolRun
+        blocks={[
+          { type: 'tool-call', name: 'shell', input: { command: 'sleep 1' }, state: 'completed' }
+        ]}
+        expandSignal={false}
+        activeTurnIsWorking={false}
+      />
+    )
+    expect(container.querySelector('.lucide-check')).toBeInTheDocument()
   })
 
   it('shows the category glyph beside the word a classified row is named by', () => {
diff --git a/src/renderer/src/components/native-chat/NativeChatToolRun.tsx b/src/renderer/src/components/native-chat/NativeChatToolRun.tsx
index 112a96f3f8c..84a1b1f4f20 100644
--- a/src/renderer/src/components/native-chat/NativeChatToolRun.tsx
+++ b/src/renderer/src/components/native-chat/NativeChatToolRun.tsx
@@ -223,6 +223,7 @@ export function NativeChatToolRun({
     ? selectActiveToolCall(blocks, { activeTurnIsWorking })
     : null
   const isSettled = latestActiveCall == null
+  const hasRunningCall = blocks.some((block) => isToolCallBlock(block) && block.state === 'running')
   // The turn caret opens the activity group, while each child tool remains
   // collapsed. The global expand toolbar still opens child details together.
   const expandToolLines = expandOverride === undefined ? open : false
@@ -309,8 +310,8 @@ export function NativeChatToolRun({
           <span className="min-w-0 truncate font-mono text-[11px] text-muted-foreground transition-colors group-hover:text-foreground/80">
             {summary || fallbackLabel}
           </span>
-          {/* Completion reads as a trailing mark so the leading glyph can stay fixed. */}
-          {structuredActivityUi ? (
+          {/* A running item cannot inherit completion from its turn. */}
+          {structuredActivityUi && !hasRunningCall ? (
             <Check aria-hidden className="size-3 shrink-0 text-muted-foreground" />
           ) : null}
           {/* Chevron is revealed on hover when collapsed and points down when open. */}