diff --git a/agasc/supplement/magnitudes/update_mag_supplement.py b/agasc/supplement/magnitudes/update_mag_supplement.py
index 313aa852..0143e661 100755
--- a/agasc/supplement/magnitudes/update_mag_supplement.py
+++ b/agasc/supplement/magnitudes/update_mag_supplement.py
@@ -309,6 +309,7 @@ def write_obs_status_yaml(obs_stats=None, fails=(), filename=None):
             rows.sort(keys='agasc_id')
             obs.append({
                 'mp_starcat_time': mp_starcat_time,
+                'obsid': obs_stats['obsid'],
                 'agasc_id': list(rows['agasc_id']),
                 'status': 1,
                 'comments': obs_stats['comment']
@@ -322,6 +323,7 @@ def write_obs_status_yaml(obs_stats=None, fails=(), filename=None):
         for mp_starcat_time in mp_starcat_times:
             obs.append({
                 'mp_starcat_time': mp_starcat_time,
+                'obsid': fail['obsid'],
                 'agasc_id': [agasc_id],
                 'status': 1,
                 'comments': fail['msg']
@@ -332,6 +334,7 @@ def write_obs_status_yaml(obs_stats=None, fails=(), filename=None):
     yaml_template = """obs:
   {%- for obs in observations %}
   - mp_starcat_time: {{ obs.mp_starcat_time }}
+    obsid: {{ obs.obsid }}
     status: {{ obs.status }}
     agasc_id: [{% for agasc_id in obs.agasc_id -%}
                   {{ agasc_id }}{%- if not loop.last %}, {% endif -%}