diff --git a/CHANGELOG.md b/CHANGELOG.md
index b6b4ab0e9..a068cbfe8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 #### Bug Fixes
 
 - Fix templates
+- Fixed the bug when exporting the component.
 
 ## [0.2.0](https://github.com/SuperDuperDB/superduperdb/compare/0.1.3...0.2.0])    (2024-Jun-21)
 
diff --git a/superduperdb/base/leaf.py b/superduperdb/base/leaf.py
index ac8c2f6a5..d16aefff6 100644
--- a/superduperdb/base/leaf.py
+++ b/superduperdb/base/leaf.py
@@ -217,6 +217,8 @@ def dict(self, metadata: bool = True, defaults: bool = True):
 
         if not defaults:
             for k, v in self.defaults.items():
+                if k in {'identifier'}:
+                    continue
                 if k in r and r[k] == v:
                     del r[k]
 
diff --git a/superduperdb/components/component.py b/superduperdb/components/component.py
index 890b23e49..53756429b 100644
--- a/superduperdb/components/component.py
+++ b/superduperdb/components/component.py
@@ -6,6 +6,7 @@
 import json
 import os
 import typing as t
+import uuid
 from collections import namedtuple
 from functools import wraps
 
@@ -180,12 +181,18 @@ def cleanup(self, db: Datalayer):
     @property
     def metadata(self):
         """Get metadata of the component."""
-        return {
+        metadata = {
             'type_id': self.type_id,
             'version': self.version,
-            'uuid': self.uuid,
         }
 
+        try:
+            uuid.UUID(self.uuid)
+            metadata['uuid'] = self.uuid
+        except ValueError:
+            pass
+        return metadata
+
     @property
     def dependencies(self):
         """Get dependencies on the component."""
diff --git a/superduperdb/components/datatype.py b/superduperdb/components/datatype.py
index 3d5fb7edf..0687269b0 100644
--- a/superduperdb/components/datatype.py
+++ b/superduperdb/components/datatype.py
@@ -722,7 +722,10 @@ def dict(self, metadata: bool = True, defaults: bool = True):
 
 @component()
 def get_serializer(
-    identifier: str, method: str, encodable: str, db: t.Optional['Datalayer'] = None
+    identifier: str,
+    method: str,
+    encodable: str = "encodable",
+    db: t.Optional['Datalayer'] = None,
 ):
     """Get a serializer.