diff --git a/embedded8266/user.cfg b/embedded8266/user.cfg
index 9463bb5..96df125 100644
--- a/embedded8266/user.cfg
+++ b/embedded8266/user.cfg
@@ -10,7 +10,7 @@ COM_PORT     = 7777
 BACKEND_PORT = 7878
 MFS_PAGE_OFFSET = 532480 # 0x82000
 
-#SDK_DEFAULT  = $(HOME)/esp8266/esp-open-sdk
+SDK_DEFAULT  = $(HOME)/esp8266/esp-open-sdk
 ESP_GCC_VERS = 4.8.5
 #SDK  = $(HOME)/esp8266/esp_iot_sdk_v1.5.2
 PAGE_SCRIPTS = main.js