diff --git a/frontend/src/js/arvados/process/wb-submit-container-request.js b/frontend/src/js/arvados/process/wb-submit-container-request.js
index 074ce09..9b15459 100644
--- a/frontend/src/js/arvados/process/wb-submit-container-request.js
+++ b/frontend/src/js/arvados/process/wb-submit-container-request.js
@@ -23,7 +23,7 @@ function wbParseWorkflowInputs(workflowDefinition, userInputs, errors) {
 
 function ensureSubProject(arvHost, arvToken, projectUuid) {
   const filters = [
-    [ 'type', '=', 'project' ],
+    [ 'group_class', '=', 'project' ],
     [ 'owner_uuid', '=', projectUuid ],
     [ 'properties.type', '=', 'daily_process_subproject_container' ]
   ];
@@ -36,13 +36,14 @@ function ensureSubProject(arvHost, arvToken, projectUuid) {
       let prom_1 = new Promise(accept => accept());
       prom_1 = prom_1.then(() => makeArvadosRequest(arvHost, arvToken,
         '/arvados/v1/groups', { method: 'POST',
-        data: { owner_uuid: projectUuid,
+        data: JSON.stringify({ owner_uuid: projectUuid,
+          group_class: 'project',
           name: 'Container for daily sub-projects for processes',
-          properties: { type: 'daily_process_subproject_container' } } }));
+          properties: { type: 'daily_process_subproject_container' } }) }));
       prom_1 = prom_1.then(xhr_1 => xhr_1.response.uuid);
       return prom_1;
     }
-    return xhr.items[0].uuid;
+    return xhr.response.items[0].uuid;
   });
 
   let date = new Date();
@@ -50,29 +51,35 @@ function ensureSubProject(arvHost, arvToken, projectUuid) {
     ('00' + (date.getMonth() + 1)).slice(-2) + '-' +
     ('00' + date.getDate()).slice(-2);
 
-  prom = prom.then(containerUuid => {
+  let containerUuid;
+
+  prom = prom.then(uuid => {
+    containerUuid = uuid;
+
     const filters_1 = [
-      [ 'type', '=', 'project'],
+      [ 'group_class', '=', 'project'],
       [ 'owner_uuid', '=', containerUuid ],
       [ 'properties.type', '=', 'daily_process_subproject' ],
       [ 'properties.date', '=', date ]
     ];
+    
     return makeArvadosRequest(arvHost, arvToken,
       '/arvados/v1/groups?filters=' + encodeURIComponent(JSON.stringify(filters_1)));
   });
 
   prom = prom.then(xhr => {
-    if (xhr.reponse.items.length === 0) {
+    if (xhr.response.items.length === 0) {
       let prom_1 = new Promise(accept => accept());
       prom_1 = prom_1.then(() => makeArvadosRequest(arvHost, arvToken,
         '/arvados/v1/groups', { method: 'POST',
-        data: { owner_uuid: containerUuid,
+        data: JSON.stringify({ owner_uuid: containerUuid,
+          group_class: 'project',
           name: 'Daily processes sub-project for ' + date,
-          properties: { type: 'daily_process_subproject', date } } }));
+          properties: { type: 'daily_process_subproject', date } }) }));
       prom_1 = prom_1.then(xhr => xhr.response.uuid);
       return prom_1;
     }
-    return xhr.items[0].uuid;
+    return xhr.response.items[0].uuid;
   });
   return prom;
 }