diff --git a/packages/ui/src/components/tool-call.tsx b/packages/ui/src/components/tool-call.tsx
index 741d00d5..97164b1b 100644
--- a/packages/ui/src/components/tool-call.tsx
+++ b/packages/ui/src/components/tool-call.tsx
@@ -166,6 +166,10 @@ export default function ToolCall(props: ToolCallProps) {
     const prefExpanded = toolOutputDefaultExpanded()
     const toolName = toolCallMemo()?.tool || ""
     if (toolName === "read") {
+      const state = toolState()
+      if (state?.status === "error") {
+        return true
+      }
       return false
     }
     return prefExpanded