diff --git a/attic/helpers.py b/attic/helpers.py
index d749dbd2a..2ad280635 100644
--- a/attic/helpers.py
+++ b/attic/helpers.py
@@ -412,11 +412,11 @@ class Location:
     proto = user = host = port = path = archive = None
     ssh_re = re.compile(r'(?P<proto>ssh)://(?:(?P<user>[^@]+)@)?'
                         r'(?P<host>[^:/#]+)(?::(?P<port>\d+))?'
-                        r'(?P<path>[^:]+)(?:::(?P<archive>.+))?')
+                        r'(?P<path>[^:]+)(?:::(?P<archive>.+))?$')
     file_re = re.compile(r'(?P<proto>file)://'
-                         r'(?P<path>[^:]+)(?:::(?P<archive>.+))?')
+                         r'(?P<path>[^:]+)(?:::(?P<archive>.+))?$')
     scp_re = re.compile(r'((?:(?P<user>[^@]+)@)?(?P<host>[^:/]+):)?'
-                        r'(?P<path>[^:]+)(?:::(?P<archive>.+))?')
+                        r'(?P<path>[^:]+)(?:::(?P<archive>.+))?$')
 
     def __init__(self, text):
         self.orig = text
diff --git a/attic/testsuite/helpers.py b/attic/testsuite/helpers.py
index 5b1d44dc5..e01b652c0 100644
--- a/attic/testsuite/helpers.py
+++ b/attic/testsuite/helpers.py
@@ -49,6 +49,7 @@ class LocationTestCase(AtticTestCase):
             repr(Location('some/relative/path::archive')),
             "Location(proto='file', user=None, host=None, port=None, path='some/relative/path', archive='archive')"
         )
+        self.assert_raises(ValueError, lambda: Location('ssh://localhost:22/path:archive'))
 
 
 class FormatTimedeltaTestCase(AtticTestCase):