diff --git a/.github/generate_releasenotes.py b/.github/generate_releasenotes.py
index e62c9e4..50ab128 100644
--- a/.github/generate_releasenotes.py
+++ b/.github/generate_releasenotes.py
@@ -103,8 +103,12 @@ def get_integration_commits(github, skip=True):
                 continue
             if "\n" in msg:
                 msg = msg.split("\n")[0]
+            if commit.author:
+                ath = commit.author
+            else:
+                ath = "Unknown"
             changes += CHANGE.format(
-                line=msg, link=commit.html_url, author=commit.author.login
+                line=msg, link=commit.html_url, author=ath
             )
 
     return changes