diff --git a/lib/core/option.py b/lib/core/option.py
index 158f5ee2c..2b241a966 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -2606,12 +2606,14 @@ def initOptions(inputOptions=AttribDict(), overrideOptions=False):
     _mergeOptions(inputOptions, overrideOptions)
 
 def _setHttpChunked():
+    conf.chunk = conf.chunk and conf.data
     if conf.chunk:
         def hook(self, a, b):
             pass
 
         httplib.HTTPConnection._set_content_length = hook
 
+
 def init():
     """
     Set attributes into both configuration and knowledge base singletons