diff --git a/swh/scheduler/backend.py b/swh/scheduler/backend.py
--- a/swh/scheduler/backend.py
+++ b/swh/scheduler/backend.py
@@ -164,6 +164,22 @@
 
         return [Lister(**ret) for ret in cur.fetchall()]
 
+    @db_transaction()
+    def get_listers_by_id(
+        self, lister_ids: List[str], db=None, cur=None
+    ) -> List[Lister]:
+        """Retrieve listers in batch, using their UUID"""
+        select_cols = ", ".join(Lister.select_columns())
+
+        query = f"""
+            select {select_cols} from listers
+              where id in %s
+        """
+
+        cur.execute(query, (tuple(lister_ids),))
+
+        return [Lister(**row) for row in cur]
+
     @db_transaction()
     def get_lister(
         self, name: str, instance_name: Optional[str] = None, db=None, cur=None
diff --git a/swh/scheduler/celery_backend/recurrent_visits.py b/swh/scheduler/celery_backend/recurrent_visits.py
--- a/swh/scheduler/celery_backend/recurrent_visits.py
+++ b/swh/scheduler/celery_backend/recurrent_visits.py
@@ -24,7 +24,7 @@
 from kombu.utils.uuid import uuid
 
 from swh.scheduler.celery_backend.config import get_available_slots
-from swh.scheduler.utils import create_origin_task_dict
+from swh.scheduler.utils import create_origin_task_dicts
 
 if TYPE_CHECKING:
     from ..interface import SchedulerInterface
@@ -233,8 +233,7 @@
     # scheduling policies have different resource usage patterns
     random.shuffle(origins)
 
-    for origin in origins:
-        task_dict = create_origin_task_dict(origin)
+    for task_dict in create_origin_task_dicts(origins, scheduler):
         app.send_task(
             queue_name,
             task_id=uuid(),
diff --git a/swh/scheduler/cli/origin.py b/swh/scheduler/cli/origin.py
--- a/swh/scheduler/cli/origin.py
+++ b/swh/scheduler/cli/origin.py
@@ -10,7 +10,7 @@
 import click
 
 from . import cli
-from ..utils import create_origin_task_dict
+from ..utils import create_origin_task_dicts
 
 if TYPE_CHECKING:
     from uuid import UUID
@@ -130,12 +130,12 @@
     created = scheduler.create_tasks(
         [
             {
-                **create_origin_task_dict(origin),
+                **task_dict,
                 "policy": "oneshot",
                 "next_run": utcnow(),
                 "retries_left": 1,
             }
-            for origin in origins
+            for task_dict in create_origin_task_dicts(origins, scheduler)
         ]
     )
 
@@ -211,8 +211,7 @@
     )
 
     click.echo(f"{len(origins)} visits to send to celery")
-    for origin in origins:
-        task_dict = create_origin_task_dict(origin)
+    for task_dict in create_origin_task_dicts(origins, scheduler):
         app.send_task(
             task_name,
             task_id=uuid(),
diff --git a/swh/scheduler/interface.py b/swh/scheduler/interface.py
--- a/swh/scheduler/interface.py
+++ b/swh/scheduler/interface.py
@@ -333,6 +333,10 @@
         """Retrieve information about all listers from the database."""
         ...
 
+    @remote_api_endpoint("listers/get_by_id")
+    def get_listers_by_id(self, lister_ids: List[str]) -> List[Lister]:
+        """Retrieve listers in batch, using their UUID"""
+
     @remote_api_endpoint("lister/get")
     def get_lister(
         self, name: str, instance_name: Optional[str] = None
diff --git a/swh/scheduler/simulator/__init__.py b/swh/scheduler/simulator/__init__.py
--- a/swh/scheduler/simulator/__init__.py
+++ b/swh/scheduler/simulator/__init__.py
@@ -17,7 +17,7 @@
 from simpy import Event
 
 from swh.scheduler.interface import SchedulerInterface
-from swh.scheduler.utils import create_origin_task_dict
+from swh.scheduler.utils import create_origin_task_dicts
 
 from . import origin_scheduler, task_scheduler
 from .common import Environment, Queue, SimulationReport, Task
@@ -122,12 +122,14 @@
     scheduler.create_tasks(
         [
             {
-                **create_origin_task_dict(origin),
+                **task_dict,
                 "policy": "recurring",
                 "next_run": origin.last_update,
                 "interval": timedelta(days=64),
             }
-            for origin in origins
+            for (origin, task_dict) in zip(
+                origins, create_origin_task_dicts(origins, scheduler)
+            )
         ]
     )
 
diff --git a/swh/scheduler/tests/test_api_client.py b/swh/scheduler/tests/test_api_client.py
--- a/swh/scheduler/tests/test_api_client.py
+++ b/swh/scheduler/tests/test_api_client.py
@@ -46,6 +46,7 @@
             "lister/get_or_create",
             "lister/update",
             "listers/get",
+            "listers/get_by_id",
             "origins/get",
             "origins/grab_next",
             "origins/record",
diff --git a/swh/scheduler/tests/test_scheduler.py b/swh/scheduler/tests/test_scheduler.py
--- a/swh/scheduler/tests/test_scheduler.py
+++ b/swh/scheduler/tests/test_scheduler.py
@@ -671,6 +671,27 @@
 
         assert swh_scheduler.get_listers() == db_listers
 
+    def test_get_listers_by_id(self, swh_scheduler):
+        assert swh_scheduler.get_listers_by_id([str(uuid.uuid4())]) == []
+
+        db_listers = []
+        for lister_args in LISTERS:
+            db_listers.append(swh_scheduler.get_or_create_lister(**lister_args))
+
+        id0 = db_listers[0].id
+        id1 = db_listers[1].id
+
+        assert swh_scheduler.get_listers_by_id([id0]) == [db_listers[0]]
+        assert swh_scheduler.get_listers_by_id([id1]) == [db_listers[1]]
+        assert swh_scheduler.get_listers_by_id([id0, id1]) == [
+            db_listers[0],
+            db_listers[1],
+        ]
+
+        assert swh_scheduler.get_listers_by_id([id0, str(uuid.uuid4())]) == [
+            db_listers[0]
+        ]
+
     def test_update_lister(self, swh_scheduler, stored_lister):
         lister = attr.evolve(stored_lister, current_state={"updated": "now"})
 
diff --git a/swh/scheduler/tests/test_utils.py b/swh/scheduler/tests/test_utils.py
--- a/swh/scheduler/tests/test_utils.py
+++ b/swh/scheduler/tests/test_utils.py
@@ -9,6 +9,8 @@
 
 from swh.scheduler import model, utils
 
+from .common import LISTERS
+
 
 @patch("swh.scheduler.utils.datetime")
 def test_create_oneshot_task_dict_simple(mock_datetime):
@@ -84,32 +86,98 @@
 
 
 def test_create_origin_task_dict():
+    lister = model.Lister(**LISTERS[1], id=uuid.uuid4())
     origin = model.ListedOrigin(
-        lister_id=uuid.uuid4(),
+        lister_id=lister.id,
         url="http://example.com/",
         visit_type="git",
     )
 
-    task = utils.create_origin_task_dict(origin)
+    task = utils.create_origin_task_dict(origin, lister)
     assert task == {
         "type": "load-git",
-        "arguments": {"args": [], "kwargs": {"url": "http://example.com/"}},
+        "arguments": {
+            "args": [],
+            "kwargs": {"url": "http://example.com/", "lister_name": LISTERS[1]["name"]},
+        },
     }
 
     loader_args = {"foo": "bar", "baz": {"foo": "bar"}}
 
     origin_w_args = model.ListedOrigin(
-        lister_id=uuid.uuid4(),
+        lister_id=lister.id,
         url="http://example.com/svn/",
         visit_type="svn",
         extra_loader_arguments=loader_args,
     )
 
-    task_w_args = utils.create_origin_task_dict(origin_w_args)
+    task_w_args = utils.create_origin_task_dict(origin_w_args, lister)
     assert task_w_args == {
         "type": "load-svn",
         "arguments": {
             "args": [],
-            "kwargs": {"url": "http://example.com/svn/", **loader_args},
+            "kwargs": {
+                "url": "http://example.com/svn/",
+                "lister_name": LISTERS[1]["name"],
+                **loader_args,
+            },
         },
     }
+
+
+def test_create_origin_task_dicts(swh_scheduler):
+    listers = []
+    for lister_args in LISTERS:
+        listers.append(swh_scheduler.get_or_create_lister(**lister_args))
+
+    origin1 = model.ListedOrigin(
+        lister_id=listers[0].id,
+        url="http://example.com/1",
+        visit_type="git",
+    )
+    origin2 = model.ListedOrigin(
+        lister_id=listers[0].id,
+        url="http://example.com/2",
+        visit_type="git",
+    )
+    origin3 = model.ListedOrigin(
+        lister_id=listers[1].id,
+        url="http://example.com/3",
+        visit_type="git",
+    )
+
+    origins = [origin1, origin2, origin3]
+
+    tasks = utils.create_origin_task_dicts(origins, swh_scheduler)
+    assert tasks == [
+        {
+            "type": "load-git",
+            "arguments": {
+                "args": [],
+                "kwargs": {
+                    "url": "http://example.com/1",
+                    "lister_name": LISTERS[0]["name"],
+                },
+            },
+        },
+        {
+            "type": "load-git",
+            "arguments": {
+                "args": [],
+                "kwargs": {
+                    "url": "http://example.com/2",
+                    "lister_name": LISTERS[0]["name"],
+                },
+            },
+        },
+        {
+            "type": "load-git",
+            "arguments": {
+                "args": [],
+                "kwargs": {
+                    "url": "http://example.com/3",
+                    "lister_name": LISTERS[1]["name"],
+                },
+            },
+        },
+    ]
diff --git a/swh/scheduler/utils.py b/swh/scheduler/utils.py
--- a/swh/scheduler/utils.py
+++ b/swh/scheduler/utils.py
@@ -5,9 +5,10 @@
 
 
 from datetime import datetime, timezone
-from typing import Any, Dict
+from typing import Any, Dict, List
 
-from .model import ListedOrigin
+from .interface import SchedulerInterface
+from .model import ListedOrigin, Lister
 
 
 def utcnow():
@@ -67,16 +68,41 @@
     return task
 
 
-def create_origin_task_dict(origin: ListedOrigin) -> Dict[str, Any]:
+def create_origin_task_dict(origin: ListedOrigin, lister: Lister) -> Dict[str, Any]:
+    if origin.lister_id != lister.id:
+        raise ValueError(
+            "origin.lister_id and lister.id differ", origin.lister_id, lister.id
+        )
     return {
         "type": f"load-{origin.visit_type}",
         "arguments": {
             "args": [],
-            "kwargs": {"url": origin.url, **origin.extra_loader_arguments},
+            "kwargs": {
+                "url": origin.url,
+                "lister_name": lister.name,
+                **origin.extra_loader_arguments,
+            },
         },
     }
 
 
+def create_origin_task_dicts(
+    origins: List[ListedOrigin], scheduler: SchedulerInterface
+) -> List[Dict[str, Any]]:
+    """Returns a task dict for each origin, in the same order."""
+
+    lister_ids = {o.lister_id for o in origins}
+    listers = {
+        lister.id: lister
+        for lister in scheduler.get_listers_by_id(list(map(str, lister_ids)))
+    }
+
+    missing_lister_ids = lister_ids - set(listers)
+    assert not missing_lister_ids, f"Missing listers: {missing_lister_ids}"
+
+    return [create_origin_task_dict(o, listers[o.lister_id]) for o in origins]
+
+
 def create_oneshot_task_dict(type, *args, **kwargs):
     """Create a oneshot task scheduled for as soon as possible.