diff --git a/src/tasks.js b/src/tasks.js
index 55c8120ad..68d789569 100644
--- a/src/tasks.js
+++ b/src/tasks.js
@@ -127,7 +127,7 @@ function setCompleted(id, task, callback) {
 
     debug(`setCompleted - ${id}: ${JSON.stringify(task)}`);
 
-    update(id, _.extend({ progress: 100 }, task), callback);
+    update(id, _.extend({ percent: 100 }, task), callback);
 }
 
 function setCompletedByType(type, task, callback) {