diff --git a/pymisp/api.py b/pymisp/api.py
index f0f4cf0..6efff1e 100644
--- a/pymisp/api.py
+++ b/pymisp/api.py
@@ -1134,7 +1134,10 @@ class PyMISP:
         """
         taxonomy_id = get_uuid_or_id_from_abstract_misp(taxonomy)
         t = self.get_taxonomy(taxonomy_id)
-        if not t['Taxonomy']['enabled']:
+        if isinstance(t, MISPTaxonomy) and not t.enabled:
+            # Can happen if global pythonify is enabled.
+            raise PyMISPError(f"The taxonomy {t.name} is not enabled.")
+        elif not t['Taxonomy']['enabled']:
             raise PyMISPError(f"The taxonomy {t['Taxonomy']['name']} is not enabled.")
         url = urljoin(self.root_url, 'taxonomies/addTag/{}'.format(taxonomy_id))
         response = self._prepare_request('POST', url)
diff --git a/pymisp/mispevent.py b/pymisp/mispevent.py
index 5117334..218dea0 100644
--- a/pymisp/mispevent.py
+++ b/pymisp/mispevent.py
@@ -2054,6 +2054,9 @@ class MISPWarninglist(AbstractMISP):
 
 class MISPTaxonomy(AbstractMISP):
 
+    name: str
+    enabled: bool
+
     def from_dict(self, **kwargs):
         if 'Taxonomy' in kwargs:
             kwargs = kwargs['Taxonomy']