From e30646a54f744ba90d5a216850ab0ba9975eb583 Mon Sep 17 00:00:00 2001
From: Miroslav Stampar <miroslav.stampar@gmail.com>
Date: Tue, 17 Jul 2012 10:36:22 +0200
Subject: [PATCH] Fix for an Issue #103

---
 lib/core/option.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/core/option.py b/lib/core/option.py
index 293b7b8e4..cf694dd01 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -1715,11 +1715,11 @@ def __mergeOptions(inputOptions, overrideOptions):
             conf[key] = value
 
     for key, value in conf.items():
-        if value:
+        if value is not None:
             kb.explicitSettings.add(key)
 
     for key, value in defaults.items():
-        if not conf[key]:
+        if conf[key] is None:
             conf[key] = value
 
 def __setTrafficOutputFP():