diff --git a/backend/app/api/v1/admin_leads.py b/backend/app/api/v1/admin_leads.py
index 4e120f87..81dbff38 100644
--- a/backend/app/api/v1/admin_leads.py
+++ b/backend/app/api/v1/admin_leads.py
@@ -67,7 +67,7 @@ def list_leads(
         where.append("l.created_at >= :date_from")
         params["date_from"] = date_from
     if date_to:
-        where.append("l.created_at < (:date_to::date + INTERVAL '1 day')")
+        where.append("l.created_at < (CAST(:date_to AS date) + INTERVAL '1 day')")
         params["date_to"] = date_to
     if search:
         where.append("(l.name ILIKE :search OR l.phone_last4 = :exact_search)")
diff --git a/backend/app/services/scrapers/domrf_kn.py b/backend/app/services/scrapers/domrf_kn.py
index 1f2abb28..3cd5c3fe 100644
--- a/backend/app/services/scrapers/domrf_kn.py
+++ b/backend/app/services/scrapers/domrf_kn.py
@@ -1021,8 +1021,8 @@ async def run_region_sweep(
                     total_obj_count, heartbeat_at, resumed_from_run_id
                 )
                 VALUES (
-                    :rc::int[], :devs::text[], :snap, 'running',
-                    :params::jsonb, :objs::jsonb, :idx,
+                    CAST(:rc AS int[]), CAST(:devs AS text[]), :snap, 'running',
+                    CAST(:params AS jsonb), CAST(:objs AS jsonb), :idx,
                     :total, NOW(), :prev
                 )
                 RETURNING run_id
@@ -1057,7 +1057,7 @@ async def run_region_sweep(
                 )
                 VALUES (
                     ARRAY[:rc]::int[], CAST(:devs AS text[]), :snap, 'running',
-                    :params::jsonb, NOW()
+                    CAST(:params AS jsonb), NOW()
                 )
                 RETURNING run_id
                 """
@@ -1141,7 +1141,7 @@ async def run_region_sweep(
                     text(
                         """
                         UPDATE kn_scrape_runs
-                           SET objects_snapshot = :objs::jsonb,
+                           SET objects_snapshot = CAST(:objs AS jsonb),
                                total_obj_count  = :total,
                                objects_count    = :total,
                                heartbeat_at     = NOW()