diff --git a/src/file_win.cpp b/src/file_win.cpp
index 542ba88ce..7189e09e5 100644
--- a/src/file_win.cpp
+++ b/src/file_win.cpp
@@ -171,11 +171,12 @@ namespace libtorrent
 			if (new_handle == INVALID_HANDLE_VALUE)
 				throw_exception(file_name);
 			// try to make the file sparse if supported
-			DWORD temp;
-			int ret = ::DeviceIoControl(new_handle, FSCTL_SET_SPARSE, 0, 0
-				, 0, 0, &temp, 0);
-			if (ret == 0)
-				throw_exception(file_name);
+			if (access_mask & GENERIC_WRITE)
+			{
+				DWORD temp;
+				::DeviceIoControl(new_handle, FSCTL_SET_SPARSE, 0, 0
+					, 0, 0, &temp, 0);
+			}
 			// will only close old file if the open succeeded
 			close();
 			m_file_handle = new_handle;
diff --git a/src/storage.cpp b/src/storage.cpp
index d394165f8..66e761655 100755
--- a/src/storage.cpp
+++ b/src/storage.cpp
@@ -2043,7 +2043,6 @@ namespace libtorrent
 				assert(m_piece_to_slot[pos] >= 0);
 				m_storage->read(&buffer[0], m_piece_to_slot[pos], 0
 					, static_cast<int>(m_info.piece_size(pos)));
-				std::cerr << "reading" << std::endl;
 				new_free_slot = m_piece_to_slot[pos];
 				m_slot_to_piece[pos] = pos;
 				m_piece_to_slot[pos] = pos;
@@ -2055,7 +2054,6 @@ namespace libtorrent
 
 			if (write_back || m_fill_mode)
 			{
-				std::cerr << "writing" << std::endl;
 				m_storage->write(&buffer[0], pos, 0, static_cast<int>(m_info.piece_size(pos)));
 				written = true;
 				if (abort_on_disk) return true;