diff --git a/CHANGELOG.md b/CHANGELOG.md
index be289d3..2b42db3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,8 @@
 # Changelog
+## [0.4.20] - 12/16/2025
+### Fixes
+- Fix [#46](https://github.com/coffeegist/bofhound/issues/46) which caused well-known SIDs (groups) to be mising from bofhound output
+
 ## [0.4.19] - 12/12/2025
 ### Fixes
 - Fix [#47](https://github.com/coffeegist/bofhound/issues/47)
diff --git a/bofhound/ad/models/bloodhound_group.py b/bofhound/ad/models/bloodhound_group.py
index 6a5fc0f..231349f 100644
--- a/bofhound/ad/models/bloodhound_group.py
+++ b/bofhound/ad/models/bloodhound_group.py
@@ -37,11 +37,9 @@ def __init__(self, object):
             logger.debug(f"Reading Group object {ColorScheme.group}{name}[/]", extra=OBJ_EXTRA_FMT)
 
         if 'objectsid' in object.keys():
-            #objectid = BloodHoundObject.get_sid(object.get('objectsid', None), object.get('distinguishedname', None))
             objectid = object.get('objectsid')
-            self.ObjectIdentifier = objectid
-            self.Properties["domainsid"] = objectid.rsplit('-',1)[0]
-
+            if objectid not in ADUtils.WELLKNOWN_SIDS:
+                self.Properties["domainsid"] = objectid.rsplit('-',1)[0]
 
         if 'distinguishedname' in object.keys():
             self.Properties["distinguishedname"] = object.get('distinguishedname', None).upper()
diff --git a/pyproject.toml b/pyproject.toml
index 6ced22a..c17221d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "bofhound"
-version = "0.4.19"
+version = "0.4.20"
 description = "Parse output from common sources and transform it into BloodHound-ingestible data"
 authors = [
 	"Adam Brown",