diff --git a/hooks/pcmk.py b/hooks/pcmk.py
index 6210b93..41ed7c7 100644
--- a/hooks/pcmk.py
+++ b/hooks/pcmk.py
@@ -192,7 +192,7 @@ def list_nodes():
         cmd = ['crm', 'node', 'show']
         out = subprocess.check_output(cmd).decode('utf-8')
         for line in out.strip().split('\n'):
-            if re.match(r'^\S+', line):
+            if re.match(r'^\S+\(\d+\)', line):
                 line = line.split('(')[0]
                 line = line.split(':')[0]
                 nodes.append(line)
diff --git a/unit_tests/test_pcmk.py b/unit_tests/test_pcmk.py
index 65de5ea..a3d3cee 100644
--- a/unit_tests/test_pcmk.py
+++ b/unit_tests/test_pcmk.py
@@ -379,8 +379,7 @@ class TestPcmk(unittest.TestCase):
 
         self.assertSequenceEqual(
             pcmk.list_nodes(),
-            ['juju-3f6cb6-zaza-4135aa8b2509-8.project.serverstack',
-             'juju-c1-zaza-3', 'juju-c1-zaza-5']
+            ['juju-c1-zaza-3', 'juju-c1-zaza-5']
         )
         check_output.assert_called_with(['crm', 'node', 'show'])