diff --git a/ChangeLog b/ChangeLog
index 82ab5968..46c558b9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2010-06-11  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
+
+	Renamed member variables
+	* src/BtAbortOutstandingRequestEvent.h
+	* src/BtCancelSendingPieceEvent.h
+
 2010-06-11  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
 
 	Renamed member variable
diff --git a/src/BtAbortOutstandingRequestEvent.h b/src/BtAbortOutstandingRequestEvent.h
index 309c2c01..ef43ebd4 100644
--- a/src/BtAbortOutstandingRequestEvent.h
+++ b/src/BtAbortOutstandingRequestEvent.h
@@ -43,12 +43,12 @@ namespace aria2 {
 
 class BtAbortOutstandingRequestEvent {
 private:
-  SharedHandle<Piece> piece;
+  SharedHandle<Piece> _piece;
 public:
   BtAbortOutstandingRequestEvent(const SharedHandle<Piece>& piece):
-    piece(piece) {}
+    _piece(piece) {}
 
-  const SharedHandle<Piece>& getPiece() const { return piece; }
+  const SharedHandle<Piece>& getPiece() const { return _piece; }
 };
 
 } // namespace aria2
diff --git a/src/BtCancelSendingPieceEvent.h b/src/BtCancelSendingPieceEvent.h
index 78a7a2ee..0c592999 100644
--- a/src/BtCancelSendingPieceEvent.h
+++ b/src/BtCancelSendingPieceEvent.h
@@ -41,18 +41,18 @@ namespace aria2 {
 
 class BtCancelSendingPieceEvent {
 private:
-  size_t index;
-  uint32_t begin;
-  size_t length;
+  size_t _index;
+  uint32_t _begin;
+  size_t _length;
 public:
   BtCancelSendingPieceEvent(size_t index, uint32_t begin, size_t length):
-    index(index), begin(begin), length(length) {}
+    _index(index), _begin(begin), _length(length) {}
 
-  size_t getIndex() const { return index; }
+  size_t getIndex() const { return _index; }
 
-  uint32_t getBegin() const { return begin; }
+  uint32_t getBegin() const { return _begin; }
 
-  size_t getLength() const { return length; }
+  size_t getLength() const { return _length; }
 };
 
 } // namespace aria2