diff --git a/src/torrent.cpp b/src/torrent.cpp
index fe161db10..b159f839a 100644
--- a/src/torrent.cpp
+++ b/src/torrent.cpp
@@ -1208,8 +1208,8 @@ namespace libtorrent
 			// ugly edge case where padfiles are not used they way they're
 			// supposed to be. i.e. added back-to back or at the end
 			if (pb.block_index == blocks_per_piece) { pb.block_index = 0; ++pb.piece_index; }
-			if (pr.length > 0 && (boost::next(i) != end && boost::next(i)->pad_file)
-				|| boost::next(i) == end)
+			if (pr.length > 0 && ((boost::next(i) != end && boost::next(i)->pad_file)
+				|| boost::next(i) == end))
 			{
 				m_picker->mark_as_finished(pb, 0);
 			}