diff --git a/datadoc/frontend/components/variables_tab_cbi.py b/datadoc/frontend/components/variables_tab_cbi.py
index f2810e53..dd526e26 100644
--- a/datadoc/frontend/components/variables_tab_cbi.py
+++ b/datadoc/frontend/components/variables_tab_cbi.py
@@ -165,6 +165,8 @@ def set_display_variables(selected_variabel: []) -> []:
     [Input("submit", "n_clicks")],
     [State("collapse", "is_open")],
 )
-def toggle_accordion(is_open) -> bool:  # noqa: ANN001
+def toggle_accordion(n_left, is_open) -> bool:  # noqa: ANN001
     """Open accordion."""
+    if n_left:
+        return not is_open
     return is_open