diff --git a/libraries/ESP8266WiFi/src/lwip/mem.h b/libraries/ESP8266WiFi/src/lwip/mem.h
index 7a4febccb..1d768856c 100644
--- a/libraries/ESP8266WiFi/src/lwip/mem.h
+++ b/libraries/ESP8266WiFi/src/lwip/mem.h
@@ -51,19 +51,19 @@ typedef size_t mem_size_t;
  * allow these defines to be overridden.
  */
 #ifndef mem_free
-#define mem_free vPortFree
+#define mem_free(p) vPortFree(p, "", 0)
 #endif
 #ifndef mem_malloc
-#define mem_malloc pvPortMalloc
+#define mem_malloc(s) pvPortMalloc(s, "", 0)
 #endif
 #ifndef mem_calloc
-#define mem_calloc pvPortCalloc
+#define mem_calloc(s) pvPortCalloc(s, "", 0)
 #endif
 #ifndef mem_realloc
-#define mem_realloc pvPortRealloc
+#define mem_realloc(p, s) pvPortRealloc(p, s, "", 0)
 #endif
 #ifndef mem_zalloc
-#define mem_zalloc pvPortZalloc
+#define mem_zalloc(s) pvPortZalloc(s, "", 0)
 #endif
 
 #ifndef os_malloc