diff --git a/scripts/build.py b/scripts/build.py
index 3f4a036b..fb9766e4 100644
--- a/scripts/build.py
+++ b/scripts/build.py
@@ -99,6 +99,11 @@ exclude=args.exclude
 target=args.target
 modules=args.modules
 
+env_exclude=os.getenv('BUILD_EXCLUDE', '')
+if len(env_exclude):
+	print "exluding modules from environment: " + env_exclude
+	exclude += " " + env_exclude
+
 # -- build
 print "calculating order for modules: " + ' '.join(modules)
 order = []