diff --git a/contributors/contributor_stats.py b/contributors/contributor_stats.py
index f14dd68..3a20b10 100644
--- a/contributors/contributor_stats.py
+++ b/contributors/contributor_stats.py
@@ -38,7 +38,8 @@ class ContributorStats:
     contribution_count: int
     commit_url: str
     sponsor_info: str
-    organisations: list[str]
+    organisations: list[str] = None
+
     new_contributor = False
 
 
diff --git a/contributors/contributors.py b/contributors/contributors.py
index 9d01bc1..ee390f6 100644
--- a/contributors/contributors.py
+++ b/contributors/contributors.py
@@ -184,7 +184,7 @@ def get_contributors(
                 contributions_count=user.contributions_count,
                 commit_url=commit_url,
                 sponsor_info="",
-                organisations=list(map(lambda x: x.name, user.organizations())),
+                organisations=list(map(lambda x: x.id, user.organizations())),
             )
             contributors.append(contributor)
     except Exception as e: