diff --git a/boards/esp-wrover-kit.json b/boards/esp-wrover-kit.json
index 107cf9b..e05ea81 100644
--- a/boards/esp-wrover-kit.json
+++ b/boards/esp-wrover-kit.json
@@ -33,7 +33,7 @@
   "name": "Espressif ESP-WROVER-KIT",
   "upload": {
     "flash_size": "4MB",
-    "maximum_ram_size": 294912,
+    "maximum_ram_size": 4194304,
     "maximum_size": 1310720,
     "require_upload_port": true,
     "speed": 115200,