diff --git a/builder/frameworks/esp8266-rtos-sdk.py b/builder/frameworks/esp8266-rtos-sdk.py
index 6ba629b..8980d47 100644
--- a/builder/frameworks/esp8266-rtos-sdk.py
+++ b/builder/frameworks/esp8266-rtos-sdk.py
@@ -672,7 +672,7 @@ def search_file(filename, search_path):
 build_excl = [
     "bootloader", "esptool_py", "partition_table",
 ]
-lib_ignore=env.get('LIB_IGNORE',[])
+lib_ignore=env.GetProjectOption("lib_ignore", [])
 if isdir("c:\\users\\test"):
 	k = build_dirs+build_excl
 	new_lib=[]
@@ -717,4 +717,4 @@ def search_file(filename, search_path):
     )
     
 env.Append(LIBS=libs)
-#print(env.Dump())
\ No newline at end of file
+#print(env.Dump())