diff --git a/src/NumericalInitialization.cc b/src/NumericalInitialization.cc
index 12eeb420428817e6570503a2adceef249ddb2f36..1016740bebca2e225a226d1a5e5a36628fb6461c 100644
--- a/src/NumericalInitialization.cc
+++ b/src/NumericalInitialization.cc
@@ -597,7 +597,7 @@ LoadParamsAndSteadyStateStatement::writeOutput(ostream &output, const string &ba
 void
 LoadParamsAndSteadyStateStatement::writeJsonOutput(ostream &output) const
 {
-  output << R"({"statementName": "load_params_and_steady_state")"
+  output << R"({"statementName": "load_params_and_steady_state",)"
          << R"("values": [)";
   for (auto it = content.begin(); it != content.end(); ++it)
     {