diff --git a/src/scheduler.js b/src/scheduler.js
index eb79dec5d..c8c0b2023 100644
--- a/src/scheduler.js
+++ b/src/scheduler.js
@@ -182,11 +182,11 @@ function doTask(appId, taskName, callback) {
 
             // NOTE: if you change container name here, fix addons.js to return correct container names
             docker.createSubcontainer(app, app.id + '-' + taskName, [ '/bin/sh', '-c', gState[appId].schedulerConfig[taskName].command ], { } /* options */, function (error, container) {
-                appState.containerIds[taskName] = container.id;
+                appState.containerIds[taskName] = container.Id;
 
                 saveState(gState);
 
-                docker.startContainer(container.id, callback);
+                docker.startContainer(container.Id, callback);
             });
         });
     });