diff --git a/webservice/webservice.py b/webservice/webservice.py
index 3d985b79a52a133aeb4ab0f9766384784c497e74..9244559681aef83cba0218ea8389d4e17158a81a 100644
--- a/webservice/webservice.py
+++ b/webservice/webservice.py
@@ -427,10 +427,6 @@ def update_job_db(config):
                         except KafkaError:
                             logging.warning("Error sending Kafka notification",
                                             exc_info=True)
-                        mdc.update_run_api(
-                            rid,  # The result from MyMDC does not matter here.
-                            {'cal_last_end_at': datetime.now(tz=timezone.utc).isoformat()}
-                        )
 
                 if all(s.startswith('PD-') for s in statii):
                     # Avoid swamping myMdC with updates for jobs still pending.
@@ -443,14 +439,19 @@ def update_job_db(config):
                 msg = "\n".join(statii)
                 msg_debug = f"Update MDC {rid}, {msg}"
                 logging.debug(msg_debug.replace('\n', ', '))
+
                 if action == 'CORRECT':
-                    response = mdc.update_run_api(rid,
-                                                  {'flg_cal_data_status': flg,
-                                                   'cal_pipeline_reply': msg})
+                    data = {'flg_cal_data_status': flg,
+                            'cal_pipeline_reply': msg}
+                    if flg != 'R':
+                        data['cal_last_end_at'] = datetime.now(tz=timezone.utc).isoformat()
+                    response = mdc.update_run_api(rid, data)
+
                 else:  # action == 'DARK' but it's dark_request
                     data = {'dark_run': {'flg_status': dark_flags[flg],
                                          'calcat_feedback': msg}}
                     response = mdc.update_dark_run_api(rid, data)
+
                 if response.status_code != 200:
                     logging.error("Failed to update MDC for action %s, rid %s",
                                   action, rid)