diff --git a/control/src/result-list.tsx b/control/src/result-list.tsx
index 58369dda..e89646f4 100644
--- a/control/src/result-list.tsx
+++ b/control/src/result-list.tsx
@@ -98,7 +98,7 @@ export class ResultList extends Component<Props> {
                                         onClick={this.onResultClicked(result)}
                                         onMouseMove={this.onMouseMove(index)}
                                         aria-posinset={index + 1}
-                                        aria-setsize={showLoadMoreResults ? results.length + 1 : results}
+                                        aria-setsize={showLoadMoreResults ? results.length + 1 : results.length}
                                         aria-selected={active}
                                         aria-label={label}
                                     >