diff --git a/borgmatic/hooks/dispatch.py b/borgmatic/hooks/dispatch.py
index d41ebab..6131ef6 100644
--- a/borgmatic/hooks/dispatch.py
+++ b/borgmatic/hooks/dispatch.py
@@ -31,7 +31,7 @@ HOOK_NAME_TO_MODULE = {
     'pagerduty': pagerduty,
     'postgresql_databases': postgresql,
     'sqlite_databases': sqlite,
-    'uptimekuma': uptimekuma,
+    'uptime_kuma': uptimekuma,
 }
 
 
diff --git a/borgmatic/hooks/monitor.py b/borgmatic/hooks/monitor.py
index 1b4e273..9512fe9 100644
--- a/borgmatic/hooks/monitor.py
+++ b/borgmatic/hooks/monitor.py
@@ -8,7 +8,7 @@ MONITOR_HOOK_NAMES = (
     'loki',
     'ntfy',
     'pagerduty',
-    'uptimekuma',
+    'uptime_kuma',
 )