diff --git a/src/emucore/EventHandler.cxx b/src/emucore/EventHandler.cxx
index 9cc1972ba..d1a58af29 100644
--- a/src/emucore/EventHandler.cxx
+++ b/src/emucore/EventHandler.cxx
@@ -69,6 +69,7 @@
 #endif
 
 using namespace std::placeholders;
+using json = nlohmann::json;
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 EventHandler::EventHandler(OSystem& osystem)