diff --git a/ChangeLog b/ChangeLog
index f1c310d7..33f8b8ad 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2010-07-09  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
+
+	Fixed the bug that AdaptiveFileAllocationIterator::finished()
+	returns false even if offset_ >= totalLength_. This causes
+	ftruncate error for seeding torrents.
+	* src/AdaptiveFileAllocationIterator.cc
+
 2010-07-09  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
 
 	Send each CWD component of FTP URI in separate CWD command as
diff --git a/src/AdaptiveFileAllocationIterator.cc b/src/AdaptiveFileAllocationIterator.cc
index 3ec80fb6..d8586384 100644
--- a/src/AdaptiveFileAllocationIterator.cc
+++ b/src/AdaptiveFileAllocationIterator.cc
@@ -93,7 +93,7 @@ void AdaptiveFileAllocationIterator::allocateChunk()
 bool AdaptiveFileAllocationIterator::finished()
 {
   if(allocator_.isNull()) {
-    return false;
+    return (uint64_t)offset_ >= totalLength_;
   } else {
     return allocator_->finished();
   }