diff --git a/thehive_button/public/vis_controller.js b/thehive_button/public/vis_controller.js
index 7b3ee14406a71e94830fa6bf29642bbfe100106d..62682f6cac5900f7e64738f122f5d0080a4d45a4 100644
--- a/thehive_button/public/vis_controller.js
+++ b/thehive_button/public/vis_controller.js
@@ -512,7 +512,7 @@ class ObservablesTable extends Component {
         <EuiAccordion
           id="accordion-{this.props.fieldName}"
           buttonContent={<EuiTitle size="xs"><h4>{this.props.fieldName.replace(/\.keyword$/, "")} ({this.props.obsSel.length}/{n_obs})</h4></EuiTitle>}
-          initialIsOpen={n_obs <= 3}
+          initialIsOpen={n_obs > 0 && n_obs <= 3}
         >
           <EuiBasicTable
             ref={this.tableRef}