diff --git a/common/tasks/bootstrap.py b/common/tasks/bootstrap.py
index 9e27f36..775e715 100644
--- a/common/tasks/bootstrap.py
+++ b/common/tasks/bootstrap.py
@@ -13,7 +13,11 @@ def get_bootstrap_args(info):
 		options.append('--include=' + ','.join(include))
 	if len(exclude) > 0:
 		options.append('--exclude=' + ','.join(exclude))
-	arguments = [info.manifest.system['release'], info.root, 'http://http.debian.net/debian']
+        if info.manifest.system['mirror']:
+		mirror =  info.manifest.system['mirror']
+	else:
+		mirror = 'http://http.debian.net/debian'
+	arguments = [info.manifest.system['release'], info.root, mirror]
 	return executable, options, arguments