diff --git a/frontend/src/components/map/MapWorkspace.tsx b/frontend/src/components/map/MapWorkspace.tsx
index 88816345..44c77624 100644
--- a/frontend/src/components/map/MapWorkspace.tsx
+++ b/frontend/src/components/map/MapWorkspace.tsx
@@ -2678,6 +2678,7 @@ export function MapWorkspace({
             type="button"
             aria-controls="geo-explorer-results"
             aria-expanded={resultsPanelOpen}
+            aria-label={resultsPanelOpen ? 'Sluit inzichten' : 'Open inzichten'}
             onClick={() => setResultsPanelOpen((open) => !open)}
           >
             {resultsPanelOpen ? <ChevronRight aria-hidden="true" /> : <ChevronLeft aria-hidden="true" />}