diff --git a/artiq/master/scheduler.py b/artiq/master/scheduler.py
index 30c19d3b4..44b14765d 100644
--- a/artiq/master/scheduler.py
+++ b/artiq/master/scheduler.py
@@ -98,7 +98,8 @@ class Run:
 
     @asyncio.coroutine
     def prepare(self):
-        yield from self._prepare(self.rid, self.pipeline_name, self.expid)
+        yield from self._prepare(self.rid, self.pipeline_name, self.expid,
+                                 self.priority)
 
     run = _mk_worker_method("run")
     resume = _mk_worker_method("resume")
diff --git a/artiq/master/worker.py b/artiq/master/worker.py
index d23a9932a..af7a08990 100644
--- a/artiq/master/worker.py
+++ b/artiq/master/worker.py
@@ -202,14 +202,15 @@ class Worker:
         return completed
 
     @asyncio.coroutine
-    def prepare(self, rid, pipeline_name, expid):
+    def prepare(self, rid, pipeline_name, expid, priority):
         self.rid = rid
         yield from self._create_process()
         yield from self._worker_action(
             {"action": "prepare",
              "rid": rid,
              "pipeline_name": pipeline_name,
-             "expid": expid},
+             "expid": expid,
+             "priority": priority},
             self.prepare_timeout)
 
     @asyncio.coroutine
diff --git a/artiq/master/worker_impl.py b/artiq/master/worker_impl.py
index 722fc3504..18e0e95ec 100644
--- a/artiq/master/worker_impl.py
+++ b/artiq/master/worker_impl.py
@@ -79,12 +79,13 @@ class Scheduler:
     pause = staticmethod(make_parent_action("pause", ""))
 
     submit = staticmethod(make_parent_action("scheduler_submit",
-                                             "pipeline_name expid due_date"))
+        "pipeline_name expid priority due_date"))
     cancel = staticmethod(make_parent_action("scheduler_cancel", "rid"))
 
-    def __init__(self, pipeline_name, expid):
+    def __init__(self, pipeline_name, expid, priority):
         self.pipeline_name = pipeline_name
         self.expid = expid
+        self.priority = priority
 
 
 def get_exp(file, exp):
@@ -121,9 +122,12 @@ def main():
                 rid = obj["rid"]
                 pipeline_name = obj["pipeline_name"]
                 expid = obj["expid"]
+                priority = obj["priority"]
                 exp = get_exp(expid["file"], expid["experiment"])
                 exp_inst = exp(dbh,
-                               scheduler=Scheduler(pipeline_name, expid),
+                               scheduler=Scheduler(pipeline_name,
+                                                   expid,
+                                                   priority),
                                **expid["arguments"])
                 rdb.build()
                 put_object({"action": "completed"})
diff --git a/examples/master/repository/flopping_f_simulation.py b/examples/master/repository/flopping_f_simulation.py
index 9999165e6..9aa2bc9d8 100644
--- a/examples/master/repository/flopping_f_simulation.py
+++ b/examples/master/repository/flopping_f_simulation.py
@@ -51,7 +51,7 @@ class FloppingF(Experiment, AutoDB):
             self.brightness.append(brightness)
             time.sleep(0.1)
         self.scheduler.submit(self.scheduler.pipeline_name, self.scheduler.expid,
-                              time.time() + 20)
+                              self.scheduler.priority, time.time() + 20)
 
     def analyze(self):
         popt, pcov = curve_fit(model_numpy,