diff --git a/NEWS b/NEWS
index fd41e40c1..3ae8b8e66 100644
--- a/NEWS
+++ b/NEWS
@@ -16,6 +16,8 @@
    https://torsion.org/borgmatic/docs/how-to/backup-your-databases/#containers
  * #1037: Fix an error with the "extract" action when both a remote repository and a
    "working_directory" are used.
+ * #1044: Fix an error in the systemd credential hook when the credential name contains a "."
+   chararcter.
 
 1.9.14
  * #409: With the PagerDuty monitoring hook, send borgmatic logs to PagerDuty so they show up in the
diff --git a/borgmatic/hooks/credential/systemd.py b/borgmatic/hooks/credential/systemd.py
index 1de245a38..9cce0d7b2 100644
--- a/borgmatic/hooks/credential/systemd.py
+++ b/borgmatic/hooks/credential/systemd.py
@@ -5,7 +5,7 @@ import re
 logger = logging.getLogger(__name__)
 
 
-CREDENTIAL_NAME_PATTERN = re.compile(r'^\w+$')
+CREDENTIAL_NAME_PATTERN = re.compile(r'^[\w.-]+$')
 
 
 def load_credential(hook_config, config, credential_parameters):
diff --git a/tests/unit/hooks/credential/test_systemd.py b/tests/unit/hooks/credential/test_systemd.py
index 603c85698..32133883c 100644
--- a/tests/unit/hooks/credential/test_systemd.py
+++ b/tests/unit/hooks/credential/test_systemd.py
@@ -42,12 +42,12 @@ def test_load_credential_reads_named_credential_from_file():
         '/var'
     )
     credential_stream = io.StringIO('password')
-    credential_stream.name = '/var/mycredential'
+    credential_stream.name = '/var/borgmatic.pw'
     builtins = flexmock(sys.modules['builtins'])
-    builtins.should_receive('open').with_args('/var/mycredential').and_return(credential_stream)
+    builtins.should_receive('open').with_args('/var/borgmatic.pw').and_return(credential_stream)
 
     assert (
-        module.load_credential(hook_config={}, config={}, credential_parameters=('mycredential',))
+        module.load_credential(hook_config={}, config={}, credential_parameters=('borgmatic.pw',))
         == 'password'
     )