From 7f9c63239b2f360b6d96e8ff4dd007b80d990e46 Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Sat, 31 Mar 2012 05:54:30 +0300
Subject: SCI: Make sure that the disable_dithering key exists

---
 engines/sci/sci.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/engines/sci/sci.cpp b/engines/sci/sci.cpp
index 9b0ee6924b..c77b49400f 100644
--- a/engines/sci/sci.cpp
+++ b/engines/sci/sci.cpp
@@ -221,7 +221,8 @@ Common::Error SciEngine::run() {
 
 	// Initialize the game screen
 	_gfxScreen = new GfxScreen(_resMan);
-	_gfxScreen->enableUndithering(ConfMan.getBool("disable_dithering"));
+	bool enableUnDitheringFlag = ConfMan.hasKey("disable_dithering") && ConfMan.getBool("disable_dithering");
+	_gfxScreen->enableUndithering(enableUnDitheringFlag);
 
 	_kernel = new Kernel(_resMan, segMan);
 
-- 
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