diff --git a/SConstruct b/SConstruct
index 106f7f5..d44a6d5 100644
--- a/SConstruct
+++ b/SConstruct
@@ -33,7 +33,7 @@ for mode in (MODE.split(',') if MODE else ['debug']):
         print 'Skipping invalid mode: {}'.format(mode)
         break
 
-    out_dir = BUILD_DIR.Dir(env['_name'])
+    out_dir = BUILD_DIR.Dir(env['NAME'])
 
     # Allow same directory includes.
     env.Append(CPPPATH=['.'])
diff --git a/site_scons/erw.py b/site_scons/erw.py
index 4742080..9ac6aa3 100644
--- a/site_scons/erw.py
+++ b/site_scons/erw.py
@@ -24,7 +24,7 @@ class Environment(SCons.Environment.Environment):
 
         super(Environment, self).__init__(**kwargs)
 
-        self['_name'] = name
+        self['NAME'] = name
 
         # Modern C/C++
         if modern: