diff --git a/services/training/app/api/training_operations.py b/services/training/app/api/training_operations.py
index ccea858f..db86422a 100644
--- a/services/training/app/api/training_operations.py
+++ b/services/training/app/api/training_operations.py
@@ -247,7 +247,7 @@ async def start_training_job(
                     resource_id=job_id,
                     severity=AuditSeverity.MEDIUM.value,
                     description=f"Started training job (tier: {tier})",
-                    metadata={
+                    audit_metadata={
                         "job_id": job_id,
                         "tier": tier,
                         "estimated_dataset_size": estimated_dataset_size,