diff --git a/ai-compliance-sdk/internal/gap/store.go b/ai-compliance-sdk/internal/gap/store.go
index d9e1bc8..e725014 100644
--- a/ai-compliance-sdk/internal/gap/store.go
+++ b/ai-compliance-sdk/internal/gap/store.go
@@ -134,14 +134,14 @@ func (s *Store) FetchApplicableMCs(signals []string, regs []ApplicableRegulation
 
 	query := fmt.Sprintf(`
 		SELECT DISTINCT mc.master_control_id, mc.canonical_name, mc.total_controls,
-			   pc.source_citation->>'source' as regulation_source
+			   pc.source_citation::jsonb->>'source' as regulation_source
 		FROM compliance.master_controls mc
 		JOIN compliance.master_control_members mcm ON mcm.master_control_uuid = mc.id
 		JOIN compliance.canonical_controls cc ON cc.id = mcm.control_uuid
 		LEFT JOIN compliance.canonical_controls pc ON pc.id = cc.parent_control_uuid
-		WHERE pc.source_citation->>'source' IN (%s)
+		WHERE pc.source_citation::jsonb->>'source' IN (%s)
 		GROUP BY mc.master_control_id, mc.canonical_name, mc.total_controls,
-				 pc.source_citation->>'source'
+				 pc.source_citation::jsonb->>'source'
 		ORDER BY mc.total_controls DESC
 		LIMIT 500`,
 		strings.Join(placeholders, ","))