diff --git a/src/components/LayerUI.tsx b/src/components/LayerUI.tsx
index 80e0d169f0..ed4ec14644 100644
--- a/src/components/LayerUI.tsx
+++ b/src/components/LayerUI.tsx
@@ -124,7 +124,7 @@ const LibraryMenuItems = ({
   const referrer = libraryReturnUrl || window.location.origin;
 
   rows.push(
-    <div className="layer-ui__library-header">
+    <div className="layer-ui__library-header" key="library-header">
       <ToolButton
         key="import"
         type="button"