diff --git a/plexpy/__init__.py b/plexpy/__init__.py
index d3de0815..2827c5fa 100644
--- a/plexpy/__init__.py
+++ b/plexpy/__init__.py
@@ -754,7 +754,8 @@ def dbcheck():
         'agent_id INTEGER, agent_name TEXT, agent_label TEXT, friendly_name TEXT, notifier_config TEXT, '
         'on_play INTEGER DEFAULT 0, on_stop INTEGER DEFAULT 0, on_pause INTEGER DEFAULT 0, '
         'on_resume INTEGER DEFAULT 0, on_change INTEGER DEFAULT 0, on_buffer INTEGER DEFAULT 0, '
-        'on_error INTEGER DEFAULT 0, on_intro INTEGER DEFAULT 0, on_credits INTEGER DEFAULT 0, '
+        'on_error INTEGER DEFAULT 0, '
+        'on_intro INTEGER DEFAULT 0, on_credits INTEGER DEFAULT 0, on_commercial INTEGER DEFAULT 0, '
         'on_watched INTEGER DEFAULT 0, on_created INTEGER DEFAULT 0, '
         'on_extdown INTEGER DEFAULT 0, on_intdown INTEGER DEFAULT 0, '
         'on_extup INTEGER DEFAULT 0, on_intup INTEGER DEFAULT 0, on_pmsupdate INTEGER DEFAULT 0, '
@@ -762,14 +763,14 @@ def dbcheck():
         'on_plexpydbcorrupt INTEGER DEFAULT 0, '
         'on_play_subject TEXT, on_stop_subject TEXT, on_pause_subject TEXT, '
         'on_resume_subject TEXT, on_change_subject TEXT, on_buffer_subject TEXT, on_error_subject TEXT, '
-        'on_intro_subject TEXT, on_credits_subject TEXT, '
+        'on_intro_subject TEXT, on_credits_subject TEXT, on_commercial_subject TEXT,'
         'on_watched_subject TEXT, on_created_subject TEXT, on_extdown_subject TEXT, on_intdown_subject TEXT, '
         'on_extup_subject TEXT, on_intup_subject TEXT, on_pmsupdate_subject TEXT, '
         'on_concurrent_subject TEXT, on_newdevice_subject TEXT, on_plexpyupdate_subject TEXT, '
         'on_plexpydbcorrupt_subject TEXT, '
         'on_play_body TEXT, on_stop_body TEXT, on_pause_body TEXT, '
         'on_resume_body TEXT, on_change_body TEXT, on_buffer_body TEXT, on_error_body TEXT, '
-        'on_intro_body TEXT, on_credits_body TEXT, '
+        'on_intro_body TEXT, on_credits_body TEXT, on_commercial_body TEXT, '
         'on_watched_body TEXT, on_created_body TEXT, on_extdown_body TEXT, on_intdown_body TEXT, '
         'on_extup_body TEXT, on_intup_body TEXT, on_pmsupdate_body TEXT, '
         'on_concurrent_body TEXT, on_newdevice_body TEXT, on_plexpyupdate_body TEXT, '
@@ -2429,6 +2430,21 @@ def dbcheck():
             'ALTER TABLE notifiers ADD COLUMN on_credits_body TEXT'
         )
 
+    # Upgrade notifiers table from earlier versions
+    try:
+        c_db.execute('SELECT on_commercial FROM notifiers')
+    except sqlite3.OperationalError:
+        logger.debug("Altering database. Updating database table notifiers.")
+        c_db.execute(
+            'ALTER TABLE notifiers ADD COLUMN on_commercial INTEGER DEFAULT 0'
+        )
+        c_db.execute(
+            'ALTER TABLE notifiers ADD COLUMN on_commercial_subject TEXT'
+        )
+        c_db.execute(
+            'ALTER TABLE notifiers ADD COLUMN on_commercial_body TEXT'
+        )
+
     # Upgrade tvmaze_lookup table from earlier versions
     try:
         c_db.execute('SELECT rating_key FROM tvmaze_lookup')
diff --git a/plexpy/notifiers.py b/plexpy/notifiers.py
index d717c8f6..f0f02bf0 100644
--- a/plexpy/notifiers.py
+++ b/plexpy/notifiers.py
@@ -349,7 +349,7 @@ def available_notification_actions(agent_id=None):
                 'media_types': ('episode',)
                 },
                {'label': 'Commercial Marker',
-                'name': 'on_credits',
+                'name': 'on_commercial',
                 'description': 'Trigger a notification when a video stream reaches any commercial marker.',
                 'subject': 'Tautulli ({server_name})',
                 'body': '{user} ({player}) has reached a commercial marker for {title}.',