diff --git a/borgmatic/hooks/healthchecks.py b/borgmatic/hooks/healthchecks.py
index c36143d2..65afc027 100644
--- a/borgmatic/hooks/healthchecks.py
+++ b/borgmatic/hooks/healthchecks.py
@@ -60,7 +60,7 @@ def ping_monitor(hook_config, config, config_filename, state, monitoring_log_lev
         )
         return
 
-    ping_url_is_uuid = re.match(r'(\w{4}-?){4}$', hook_config['ping_url'])
+    ping_url_is_uuid = re.search(r'\w{8}-\w{4}-\w{4}-\w{4}-\w{12}$', ping_url)
 
     healthchecks_state = MONITOR_STATE_TO_HEALTHCHECKS.get(state)
     if healthchecks_state:
diff --git a/tests/unit/hooks/test_healthchecks.py b/tests/unit/hooks/test_healthchecks.py
index f53c0f59..74afe40e 100644
--- a/tests/unit/hooks/test_healthchecks.py
+++ b/tests/unit/hooks/test_healthchecks.py
@@ -299,7 +299,7 @@ def test_ping_monitor_does_not_add_create_query_parameter_when_create_slug_false
 
 
 def test_ping_monitor_does_not_add_create_query_parameter_when_ping_url_is_uuid():
-    hook_config = {'ping_url': 'abcd-efgh-ijkl-mnop', 'create_slug': True}
+    hook_config = {'ping_url': 'b3611b24-df9c-4d36-9203-fa292820bf2a', 'create_slug': True}
     flexmock(module.requests).should_receive('post').with_args(
         f"https://hc-ping.com/{hook_config['ping_url']}",
         data=''.encode('utf-8'),