diff --git a/src/phoenix/db/insertion/span.py b/src/phoenix/db/insertion/span.py
index a5fcba714f..7aa575d104 100644
--- a/src/phoenix/db/insertion/span.py
+++ b/src/phoenix/db/insertion/span.py
@@ -54,8 +54,8 @@ async def insert_span(
                 project_session.project_id = project_rowid
             if span.start_time < project_session.start_time:
                 project_session.start_time = span.start_time
-            if session_user and project_session.session_user != session_user:
-                project_session.session_user = session_user
+                if session_user and project_session.session_user != session_user:
+                    project_session.session_user = session_user
         else:
             project_session = models.ProjectSession(
                 project_id=project_rowid,