diff --git a/x-pack/plugins/graph/public/components/field_manager/field_picker.tsx b/x-pack/plugins/graph/public/components/field_manager/field_picker.tsx
index bc7718b142231..6a3126c8617cb 100644
--- a/x-pack/plugins/graph/public/components/field_manager/field_picker.tsx
+++ b/x-pack/plugins/graph/public/components/field_manager/field_picker.tsx
@@ -63,7 +63,7 @@ export function FieldPicker({
           aria-disabled={!hasFields}
           onClick={() => {
             if (hasFields) {
-              setOpen(true);
+              setOpen(!open);
             }
           }}
           onClickAriaLabel={badgeDescription}