diff --git a/NEWS b/NEWS
index 281b0d6f..68f7ec31 100644
--- a/NEWS
+++ b/NEWS
@@ -3,6 +3,8 @@
    just skipping the Borg call.
  * #1242: Fix a regression in which the "spot" check hung while collecting archive contents.
  * #1245: Fix a regression in which the KeePassXC credential hook password prompt was invisible.
+ * #1246: Fix a regression in which the ntfy monitoring hook failed to send a ping when the
+   "priority" option was set.
 
 2.1.0
  * TL;DR: Many logging, memory, and performance improvements. Mind those breaking changes!
diff --git a/borgmatic/config/schema.yaml b/borgmatic/config/schema.yaml
index b389db8b..e29c1e58 100644
--- a/borgmatic/config/schema.yaml
+++ b/borgmatic/config/schema.yaml
@@ -2342,6 +2342,13 @@ properties:
                         example: Your backups have started.
                     priority:
                         type: string
+                        enum:
+                            - max
+                            - urgent
+                            - high
+                            - default
+                            - low
+                            - min
                         description: |
                             The priority to set.
                         example: min
@@ -2366,6 +2373,13 @@ properties:
                         example: Your backups have finished.
                     priority:
                         type: string
+                        enum:
+                            - max
+                            - urgent
+                            - high
+                            - default
+                            - low
+                            - min
                         description: |
                             The priority to set.
                         example: min
@@ -2390,6 +2404,13 @@ properties:
                         example: Your backups have failed.
                     priority:
                         type: string
+                        enum:
+                            - max
+                            - urgent
+                            - high
+                            - default
+                            - low
+                            - min
                         description: |
                             The priority to set.
                         example: max
diff --git a/borgmatic/hooks/monitoring/ntfy.py b/borgmatic/hooks/monitoring/ntfy.py
index 1c42cf0c..0429e703 100644
--- a/borgmatic/hooks/monitoring/ntfy.py
+++ b/borgmatic/hooks/monitoring/ntfy.py
@@ -22,6 +22,16 @@ def initialize_monitor(
     '''
 
 
+PRIORITY_NAME_TO_ID = {
+    'max': 5,
+    'urgent': 5,
+    'high': 4,
+    'default': 3,
+    'low': 2,
+    'min': 1,
+}
+
+
 def ping_monitor(hook_config, config, config_filename, state, monitoring_log_level, dry_run):
     '''
     Ping the configured Ntfy topic. Use the given configuration filename in any log entries.
@@ -31,13 +41,13 @@ def ping_monitor(hook_config, config, config_filename, state, monitoring_log_lev
 
     if state.name.lower() in run_states:
         dry_run_label = ' (dry run; not actually pinging)' if dry_run else ''
-
+        default_priority = PRIORITY_NAME_TO_ID['default']
         state_config = hook_config.get(
             state.name.lower(),
             {
                 'title': f'A borgmatic {state.name} event happened',
                 'message': f'A borgmatic {state.name} event happened',
-                'priority': 'default',
+                'priority': default_priority,
                 'tags': 'borgmatic',
             },
         )
@@ -55,7 +65,7 @@ def ping_monitor(hook_config, config, config_filename, state, monitoring_log_lev
             'topic': topic,
             'title': state_config.get('title'),
             'message': state_config.get('message'),
-            'priority': state_config.get('priority'),
+            'priority': PRIORITY_NAME_TO_ID.get(state_config.get('priority'), default_priority),
             'tags': state_config.get('tags'),
         }
 
diff --git a/tests/unit/hooks/monitoring/test_ntfy.py b/tests/unit/hooks/monitoring/test_ntfy.py
index 39a419f5..7588edd6 100644
--- a/tests/unit/hooks/monitoring/test_ntfy.py
+++ b/tests/unit/hooks/monitoring/test_ntfy.py
@@ -24,7 +24,7 @@ CUSTOM_MESSAGE_PAYLOAD = {
     'topic': TOPIC,
     'title': CUSTOM_MESSAGE_CONFIG['title'],
     'message': CUSTOM_MESSAGE_CONFIG['message'],
-    'priority': CUSTOM_MESSAGE_CONFIG['priority'],
+    'priority': 1,
     'tags': CUSTOM_MESSAGE_CONFIG['tags'],
 }
 
@@ -34,7 +34,7 @@ def default_message_payload(state=Enum):
         'topic': TOPIC,
         'title': f'A borgmatic {state.name} event happened',
         'message': f'A borgmatic {state.name} event happened',
-        'priority': 'default',
+        'priority': 3,
         'tags': 'borgmatic',
     }