diff --git a/test/run_jsonlab_test.m b/test/run_jsonlab_test.m
index 5c143fa..43fcf6b 100644
--- a/test/run_jsonlab_test.m
+++ b/test/run_jsonlab_test.m
@@ -57,8 +57,8 @@ function run_jsonlab_test(tests)
     test_jsonlab('empty name',@savejson,loadjson('{"":""}'),'{"":""}','compact',1);
     if(exist('containers.Map'))
         test_jsonlab('empty name with map',@savejson,loadjson('{"":""}','usemap',1),'{"":""}','compact',1);
-        test_jsonlab('indentation',@savejson,savejson(containers.Map({'a','b'},{[],struct('c',1.1,'d',struct('e',{1,2}))})),...
-         '"{\n\t\"a\":[],\n\t\"b\":{\n\t\t\"c\":1.1,\n\t\t\"d\":[\n\t\t\t{\n\t\t\t\t\"e\":1\n\t\t\t},\n\t\t\t{\n\t\t\t\t\"e\":2\n\t\t\t}\n\t\t]\n\t}\n}\n"');
+        test_jsonlab('indentation',@savejson,savejson('s',containers.Map({'a','b'},{[],struct('c',1.1,'d',struct('e',{1,2}))})),...
+         '"{\n\t\"s\":{\n\t\t\"a\":[],\n\t\t\"b\":{\n\t\t\t\"c\":1.1,\n\t\t\t\"d\":[\n\t\t\t\t{\n\t\t\t\t\t\"e\":1\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\t\"e\":2\n\t\t\t\t}\n\t\t\t]\n\t\t}\n\t}\n}\n"');
     end
     test_jsonlab('row vector',@savejson,[1,2,3],'[1,2,3]');
     test_jsonlab('column vector',@savejson,[1;2;3],'[[1],[2],[3]]','compact',1);