diff --git a/components/libc/newlib/SConscript b/components/libc/newlib/SConscript
index 6516840adf415871f518498665d69966affa6f3f..a3ddbe9f4d10f70bc117afce7be6d91c1e1651de 100644
--- a/components/libc/newlib/SConscript
+++ b/components/libc/newlib/SConscript
@@ -15,8 +15,9 @@ CPPPATH = [cwd]
 # libm is a frequently used lib. Newlib is compiled with -ffunction-sections in
 # recent GCC tool chains. The linker would just link in the functions that have
 # been referenced. So setting this won't result in bigger text size.
-Env.Append(LIBS = ['m'])
+LIBS = ['m']
 
-group = DefineGroup('newlib', src, depend = ['RT_USING_NEWLIB'], CPPPATH = CPPPATH)
+group = DefineGroup('newlib', src, depend = ['RT_USING_NEWLIB'],
+                    CPPPATH = CPPPATH, LIBS = LIBS)
 
 Return('group')