diff --git a/io/io/src/TBufferJSON.cxx b/io/io/src/TBufferJSON.cxx index c99e9a9144376..2632659205ad0 100644 --- a/io/io/src/TBufferJSON.cxx +++ b/io/io/src/TBufferJSON.cxx @@ -1398,7 +1398,7 @@ void TBufferJSON::PerformPostProcessing(TJSONStackObj *stack, if (isCharStar) { stack->fValues.Delete(); - if (fValue == "0") fValue = "null"; + if (fValue == "0") fValue = "\"\""; } else if (isTString || isSTLstring) { // just remove all kind of string length information