diff --git a/.pylintrc b/.pylintrc
index 041c69d..c5b3cdd 100644
--- a/.pylintrc
+++ b/.pylintrc
@@ -441,7 +441,9 @@ disable=raw-checker-failed,
         singleton-comparison,
         missing-module-docstring,
         missing-class-docstring,
-        missing-function-docstring
+        missing-function-docstring,
+        too-many-arguments,
+        too-many-locals,
 
 # Enable the message, report, category or checker with the given id(s). You can
 # either give multiple identifier separated by comma (,) or put this option
diff --git a/argos/server/alerting.py b/argos/server/alerting.py
index 52723df..7c07533 100644
--- a/argos/server/alerting.py
+++ b/argos/server/alerting.py
@@ -13,7 +13,7 @@ from argos.schemas.config import Config, Mail, GotifyUrl
 # XXX Implement mail alerts https://framagit.org/framasoft/framaspace/argos/-/issues/15
 # XXX Implement gotify alerts https://framagit.org/framasoft/framaspace/argos/-/issues/16
 
-def handle_alert(config: Config, result, task, severity, request):
+def handle_alert(config: Config, result, task, severity, old_severity, request):
     """Dispatch alert through configured alert channels"""
 
     if 'local' in getattr(config.general.alerts, severity):
@@ -24,14 +24,14 @@ def handle_alert(config: Config, result, task, severity, request):
 
     if config.general.mail is not None and \
         'mail' in getattr(config.general.alerts, severity):
-        notify_by_mail(result, task, severity, config.general.mail, request)
+        notify_by_mail(result, task, severity, old_severity, config.general.mail, request)
 
     if config.general.gotify is not None and \
         'gotify' in getattr(config.general.alerts, severity):
-        notify_with_gotify(result, task, severity, config.general.gotify, request)
+        notify_with_gotify(result, task, severity, old_severity, config.general.gotify, request)
 
 
-def notify_by_mail(result, task, severity, config: Mail, request) -> None:
+def notify_by_mail(result, task, severity: str, old_severity: str, config: Mail, request) -> None:
     logger.debug('Will send mail notification')
 
     msg = f"""\
@@ -39,6 +39,7 @@ URL:    {task.url}
 Check:  {task.check}
 Status: {severity}
 Time:   {result.submitted_at}
+Previous status: {old_severity}
 
 See results of task on {request.url_for('get_task_results', task_id=task.id)}
 """
@@ -73,7 +74,14 @@ Subject: [Argos] {urlparse(task.url).netloc}: status {severity}
         smtp.sendmail(config.mailfrom, address, mail)
 
 
-def notify_with_gotify(result, task, severity: str, config: List[GotifyUrl], request) -> None:
+def notify_with_gotify(
+    result,
+    task,
+    severity: str,
+    old_severity: str,
+    config: List[GotifyUrl],
+    request
+) -> None:
     logger.debug('Will send gotify notification')
     headers = {'accept': 'application/json',
                'content-type': 'application/json'}
@@ -93,6 +101,7 @@ URL:    {task.url}
 Check:  {task.check}
 Status: {severity}
 Time:   {result.submitted_at}
+Previous status: {old_severity}
 
 See results of task on {request.url_for('get_task_results', task_id=task.id)}
 """
diff --git a/argos/server/routes/api.py b/argos/server/routes/api.py
index d43e080..244f499 100644
--- a/argos/server/routes/api.py
+++ b/argos/server/routes/api.py
@@ -60,7 +60,7 @@ async def create_results(
             # Don’t create an alert if the severity has not changed
             if last_severity != severity:
                 # XXX Use a job queue or make it async
-                handle_alert(config, result, task, severity, request)
+                handle_alert(config, result, task, severity, last_severity, request)
 
         db_results.append(result)
     db.commit()