diff --git a/JsonGenerator/EscapedString.cpp b/JsonGenerator/EscapedString.cpp
index 9f6988a2..4253d323 100644
--- a/JsonGenerator/EscapedString.cpp
+++ b/JsonGenerator/EscapedString.cpp
@@ -30,10 +30,8 @@ static inline size_t printCharTo(char c, Print& p)
         : p.write(c);
 }
 
-size_t EscapedString::printTo(Print& p) const
+size_t EscapedString::printTo(const char* s, Print& p)
 {
-    const char* s = rawString;
-
     if (!s) return p.print("null");
     
     size_t n = p.write('\"');
diff --git a/JsonGenerator/EscapedString.h b/JsonGenerator/EscapedString.h
index c9ef776f..232ede4e 100644
--- a/JsonGenerator/EscapedString.h
+++ b/JsonGenerator/EscapedString.h
@@ -20,10 +20,15 @@ namespace ArduinoJson
             {                
             }
 
-            size_t printTo(Print&) const;
+            size_t printTo(Print& p) const
+            {
+                return printTo(rawString, p);
+            }
             
         private:
             const char* rawString;
+
+            static size_t printTo(const char*, Print&);
         };
     }
 }
\ No newline at end of file