diff --git a/jc/parsers/x509_cert.py b/jc/parsers/x509_cert.py
index 8d249b01..b5ab6b3e 100644
--- a/jc/parsers/x509_cert.py
+++ b/jc/parsers/x509_cert.py
@@ -113,6 +113,14 @@ def _fix_objects(obj):
                 obj.update({k: v})
                 continue
 
+            if isinstance(v, set):
+                v = list(v)
+                obj.update({k: v})
+
+            if isinstance(v, OrderedDict):
+                v = dict(v)
+                obj.update({k: v})
+
             if isinstance(v, dict):
                 obj.update({k: _fix_objects(v)})
                 continue