diff --git a/include/lib/ArduinoJson/JsonArray.hpp b/include/lib/ArduinoJson/JsonArray.hpp
index 2acd2a1a5034ced42eedabdf141da51ab6043821..4431e7ae399e84791f713ac91a0ff54ea5538d92 100644
--- a/include/lib/ArduinoJson/JsonArray.hpp
+++ b/include/lib/ArduinoJson/JsonArray.hpp
@@ -141,9 +141,9 @@ class JsonArray : public Internals::JsonPrintable<JsonArray>,
   }
 
   // Imports a 1D array
-  template <typename T, size_t N>
-  bool copyFrom(T (&array)[N]) {
-    return copyFrom(array, N);
+  template <typename T, size_t TN>
+  bool copyFrom(T (&array)[TN]) {
+    return copyFrom(array, TN);
   }
 
   // Imports a 1D array
@@ -170,9 +170,9 @@ class JsonArray : public Internals::JsonPrintable<JsonArray>,
   }
 
   // Exports a 1D array
-  template <typename T, size_t N>
-  size_t copyTo(T (&array)[N]) const {
-    return copyTo(array, N);
+  template <typename T, size_t TN>
+  size_t copyTo(T (&array)[TN]) const {
+    return copyTo(array, TN);
   }
 
   // Exports a 1D array
diff --git a/include/lib/ArduinoJson/Serialization/JsonPrintable.hpp b/include/lib/ArduinoJson/Serialization/JsonPrintable.hpp
index 43d413a857a5a8ab935688b1fcb924a5ee2b4753..e73f8fb27985c75d7990a1b80aff74f96dbf59b5 100644
--- a/include/lib/ArduinoJson/Serialization/JsonPrintable.hpp
+++ b/include/lib/ArduinoJson/Serialization/JsonPrintable.hpp
@@ -49,9 +49,9 @@ class JsonPrintable {
     return printTo(sb);
   }
 
-  template <size_t N>
-  size_t printTo(char (&buffer)[N]) const {
-    return printTo(buffer, N);
+  template <size_t TN>
+  size_t printTo(char (&buffer)[TN]) const {
+    return printTo(buffer, TN);
   }
 
   template <typename TString>
@@ -72,9 +72,9 @@ class JsonPrintable {
     return prettyPrintTo(sb);
   }
 
-  template <size_t N>
-  size_t prettyPrintTo(char (&buffer)[N]) const {
-    return prettyPrintTo(buffer, N);
+  template <size_t TN>
+  size_t prettyPrintTo(char (&buffer)[TN]) const {
+    return prettyPrintTo(buffer, TN);
   }
 
   template <typename Print>
diff --git a/include/lib/ArduinoJson/TypeTraits/IsArray.hpp b/include/lib/ArduinoJson/TypeTraits/IsArray.hpp
index 2599231158cef5cbb875ddd6442f633a5437e584..da420725d0413f2c055fd8e8a25ad43c98ac3142 100644
--- a/include/lib/ArduinoJson/TypeTraits/IsArray.hpp
+++ b/include/lib/ArduinoJson/TypeTraits/IsArray.hpp
@@ -16,8 +16,8 @@ template <typename T>
 struct IsArray<T[]> {
   static const bool value = true;
 };
-template <typename T, size_t N>
-struct IsArray<T[N]> {
+template <typename T, size_t TN>
+struct IsArray<T[TN]> {
   static const bool value = true;
 };
 }