diff --git a/material/plugins/privacy/plugin.py b/material/plugins/privacy/plugin.py
index 779c67511..6875420f9 100644
--- a/material/plugins/privacy/plugin.py
+++ b/material/plugins/privacy/plugin.py
@@ -247,7 +247,7 @@ class PrivacyPlugin(BasePlugin[PrivacyConfig]):
 
     # Parse and extract all external assets from a media file using a preset
     # regular expression, and return all URLs found.
-    def _parse_media(self, initiator: File) -> "list[URL]":
+    def _parse_media(self, initiator: File) -> list[URL]:
         _, extension = posixpath.splitext(initiator.dest_uri)
         if extension not in self.assets_expr_map:
             return []
diff --git a/material/plugins/search/plugin.py b/material/plugins/search/plugin.py
index 22cd6d215..a3199ab92 100644
--- a/material/plugins/search/plugin.py
+++ b/material/plugins/search/plugin.py
@@ -312,9 +312,9 @@ class Element:
     """
 
     # Initialize HTML element
-    def __init__(self, tag, attrs = {}):
+    def __init__(self, tag, attrs = None):
         self.tag   = tag
-        self.attrs = attrs
+        self.attrs = attrs or {}
 
     # String representation
     def __repr__(self):