diff --git a/buffet/commands/command_instance_unittest.cc b/buffet/commands/command_instance_unittest.cc
index 48d54b9..e1d874b 100644
--- a/buffet/commands/command_instance_unittest.cc
+++ b/buffet/commands/command_instance_unittest.cc
@@ -209,7 +209,7 @@
 
   json->MergeDictionary(CreateDictionaryValue(R"({
     'id': 'testId',
-    'progress': 15,
+    'progress': {'progress': 15},
     'state': 'inProgress',
     'results': {'testResult': 17}
   })").get());