diff --git a/ChangeLog b/ChangeLog
index 86193495..5a076bc9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-12-20  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
+
+	Assigned BObject in BDE() to avoid segmentation fault when calling
+	methods of BDE::none().
+	* src/BDE.cc
+
 2009-12-18  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
 
 	Show info hash in Magnet URI in upper case letters in -S output.
diff --git a/src/BDE.cc b/src/BDE.cc
index ad6b226e..251f46ea 100644
--- a/src/BDE.cc
+++ b/src/BDE.cc
@@ -39,7 +39,7 @@ namespace aria2 {
 
 const BDE BDE::none;
 
-BDE::BDE():_type(TYPE_NONE) {}
+BDE::BDE():_type(TYPE_NONE), _bobject(new BObject()) {}
 
 BDE::BDE(Integer integer):_type(TYPE_INTEGER),
 			  _bobject(new BInteger(integer)) {}