diff --git a/src/backend/app/projects/project_schemas.py b/src/backend/app/projects/project_schemas.py
index 89f80e98..bc511e79 100644
--- a/src/backend/app/projects/project_schemas.py
+++ b/src/backend/app/projects/project_schemas.py
@@ -547,12 +547,13 @@ def calculate_status(cls, values):
         """Set the project status based on task counts."""
         ongoing_task_count = values.ongoing_task_count
         completed_task_count = values.completed_task_count
+        total_task_count = values.total_task_count
 
         if ongoing_task_count == 0:
             values.status = "not-started"
         elif ongoing_task_count > 0 and ongoing_task_count != completed_task_count:
             values.status = "ongoing"
-        elif ongoing_task_count == completed_task_count:
+        elif ongoing_task_count == total_task_count:
             values.status = "completed"
 
         return values