diff --git a/lib/jsmn-shadinger-1.0/src/JsonParser.cpp b/lib/jsmn-shadinger-1.0/src/JsonParser.cpp
index 66f263b09..ab2a905f4 100644
--- a/lib/jsmn-shadinger-1.0/src/JsonParser.cpp
+++ b/lib/jsmn-shadinger-1.0/src/JsonParser.cpp
@@ -18,7 +18,7 @@
 */
 
 #include "JsonParser.h"
-#include <WSTring.h>
+#include <Arduino.h>
 
 /*********************************************************************************************\
  * Utilities