diff --git a/cores/arduino/new.cpp b/cores/arduino/new.cpp
index cf6f89c17..3203ae2cf 100644
--- a/cores/arduino/new.cpp
+++ b/cores/arduino/new.cpp
@@ -22,6 +22,10 @@ void *operator new(size_t size) {
   return malloc(size);
 }
 
+void *operator new(size_t size, void *ptr) {
+  return ptr;
+}
+
 void *operator new[](size_t size) {
   return malloc(size);
 }
diff --git a/cores/arduino/new.h b/cores/arduino/new.h
index 6e1b68f0d..c9e9debc6 100644
--- a/cores/arduino/new.h
+++ b/cores/arduino/new.h
@@ -22,6 +22,7 @@
 #include <stdlib.h>
 
 void * operator new(size_t size);
+void * operator new(size_t size, void *ptr);
 void * operator new[](size_t size);
 void operator delete(void * ptr);
 void operator delete[](void * ptr);