diff --git a/scripts/hn_spectral_database.py b/scripts/hn_spectral_database.py
index 9be9bd64..ccc01a25 100644
--- a/scripts/hn_spectral_database.py
+++ b/scripts/hn_spectral_database.py
@@ -357,13 +357,14 @@ def write_eval(results):
         "|-------|---|---|-------|------|---------|--------|------------|------|---------|-----|",
     ]
     for g in results["graphs"]:
-        ww = g['welch_wynn']
+        ww = g.get('welch_wynn')
         ww_str = f"{ww:.4f}" if ww is not None else "N/A"
+        hb = g.get('hoffman_bound')
+        hb_str = f"{hb:.4f}" if hb is not None else "inf"
         lines.append(
             f"| {g['description']} | {g['n_vertices']} | {g['n_edges']} | "
             f"{g['lambda_max']:.4f} | {g['lambda_min']:.4f} | "
-            f"{g['hoffman_bound']:.4f} if g['hoffman_bound'] is not None else 'inf' | "
-            f"{g['chi_hoffman']} | {ww_str} | "
+            f"{hb_str} | {g['chi_hoffman']} | {ww_str} | "
             f"{g['chi_welch_wynn']} | {g['chi_known']} | {g['gap']} |"
         )