diff --git a/sirepo/job_api.py b/sirepo/job_api.py
index 4728438901..d07257e0a4 100644
--- a/sirepo/job_api.py
+++ b/sirepo/job_api.py
@@ -223,6 +223,8 @@ async def api_sbatchLogin(self):
 
     @sirepo.quest.Spec("require_plan")
     async def api_sbatchLoginStatus(self):
+        if sirepo.job.SBATCH not in simulation_db.JOB_RUN_MODE_MAP:
+            raise AssertionError(f"{sirepo.job.SBATCH} jobRunMode is not enabled")
         return await self._request_api(
             _request_content=self._request_content(
                 PKDict(computeJobHash="unused", jobRunMode=sirepo.job.SBATCH),
diff --git a/sirepo/package_data/static/js/sirepo.js b/sirepo/package_data/static/js/sirepo.js
index a00344e99c..ede3d7d3b8 100644
--- a/sirepo/package_data/static/js/sirepo.js
+++ b/sirepo/package_data/static/js/sirepo.js
@@ -3927,6 +3927,12 @@ SIREPO.app.factory('persistentSimulation', function(simulationQueue, appState, a
         };
 
         state.resetSimulation = function() {
+            // ensure the selected jobRunMode is present
+            const m = appState.models[state.model];
+            if (m && m.jobRunMode && ! (m.jobRunMode in authState.jobRunModeMap)) {
+                m.jobRunMode = 'parallel';
+                appState.saveQuietly(state.model);
+            }
             setSimulationStatus({state: 'missing'});
             frameCache.setFrameCount(0);
             appState.whenModelsLoaded(controller.simScope, runStatus);