diff --git a/canvas/src/components/MemoryInspectorPanel.tsx b/canvas/src/components/MemoryInspectorPanel.tsx
index 0c8f99fc..b52bbdeb 100644
--- a/canvas/src/components/MemoryInspectorPanel.tsx
+++ b/canvas/src/components/MemoryInspectorPanel.tsx
@@ -188,7 +188,7 @@ export function MemoryInspectorPanel({ workspaceId }: Props) {
 
       {/* Error banner */}
       {error && (
-        <div className="mx-4 mt-3 px-3 py-2 bg-red-950/30 border border-red-800/40 rounded text-xs text-red-400">
+        <div role="alert" className="mx-4 mt-3 px-3 py-2 bg-red-950/30 border border-red-800/40 rounded text-xs text-red-400">
           {error}
         </div>
       )}