diff --git a/VERSION b/VERSION
index 3e8d8717..09d2eb37 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.4.1-alpha.2+timestamp.2013.02.04.10.00.20
+Version 2.4.1-alpha.2+timestamp.2013.02.04.10.02.48
diff --git a/gluon/serializers.py b/gluon/serializers.py
index 8aece0fd..1d2621d2 100644
--- a/gluon/serializers.py
+++ b/gluon/serializers.py
@@ -73,8 +73,12 @@ def xml(value, encoding='UTF-8', key='document', quote=True):
 
 
 def json(value, default=custom_json):
-    return json_parser.dumps(value, default=default)
-
+    # replace JavaScript incompatible spacing
+    # http://timelessrepo.com/json-isnt-a-javascript-subset
+    return json_parser.dumps(value,
+        default=default).replace(ur'\u2028',
+                                 '\\u2028').replace(ur'\2029',
+                                                    '\\u2029')
 
 def csv(value):
     return ''