diff --git a/cores/esp8266/abi.cpp b/cores/esp8266/abi.cpp
index feacc5eb8..aa031e640 100644
--- a/cores/esp8266/abi.cpp
+++ b/cores/esp8266/abi.cpp
@@ -36,28 +36,44 @@ extern "C" void __cxa_deleted_virtual(void) __attribute__ ((__noreturn__));
 
 // overwrite weak operators new/new[] definitions
 
-void *operator new(size_t size)
+void* operator new(size_t size)
 {
     void *ret = malloc(size);
     if (0 != size && 0 == ret) {
         umm_last_fail_alloc_addr = __builtin_return_address(0);
         umm_last_fail_alloc_size = size;
-#if defined(NEW_OOM_ABORT)
         __unhandled_exception(PSTR("OOM"));
-#endif
     }
-   return ret;
+    return ret;
 }
 
-void *operator new[](size_t size)
+void* operator new[](size_t size)
 {
     void *ret = malloc(size);
     if (0 != size && 0 == ret) {
         umm_last_fail_alloc_addr = __builtin_return_address(0);
         umm_last_fail_alloc_size = size;
-#if defined(NEW_OOM_ABORT)
         __unhandled_exception(PSTR("OOM"));
-#endif
+    }
+    return ret;
+}
+
+void* operator new (size_t size, const std::nothrow_t&)
+{
+    void *ret = malloc(size);
+    if (0 != size && 0 == ret) {
+        umm_last_fail_alloc_addr = __builtin_return_address(0);
+        umm_last_fail_alloc_size = size;
+    }
+    return ret;
+}
+
+void* operator new[] (size_t size, const std::nothrow_t&)
+{
+    void *ret = malloc(size);
+    if (0 != size && 0 == ret) {
+        umm_last_fail_alloc_addr = __builtin_return_address(0);
+        umm_last_fail_alloc_size = size;
     }
     return ret;
 }