diff --git a/backend-compliance/compliance/services/batch_dedup_runner.py b/backend-compliance/compliance/services/batch_dedup_runner.py
index 89ccfe8..720f6b7 100644
--- a/backend-compliance/compliance/services/batch_dedup_runner.py
+++ b/backend-compliance/compliance/services/batch_dedup_runner.py
@@ -578,7 +578,7 @@ class BatchDedupRunner:
                      matched_control_uuid, matched_control_id,
                      similarity_score, dedup_stage, dedup_details)
                 VALUES (:ccid, :ct, :co, CAST(:mcu AS uuid), :mci,
-                        :ss, 'batch_dedup', :dd::jsonb)
+                        :ss, 'batch_dedup', CAST(:dd AS jsonb))
             """), {
                 "ccid": candidate["control_id"],
                 "ct": candidate["title"],