From f3e98557aed22e77d8ed6d9fa5957b7d1d9b9534 Mon Sep 17 00:00:00 2001
From: Dimitris <dimnik90@gmail.com>
Date: Mon, 19 Feb 2018 16:51:23 +0100
Subject: [PATCH] Fix invalid comparison

---
 libhdt/src/triples/BitmapTriplesIterators.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libhdt/src/triples/BitmapTriplesIterators.cpp b/libhdt/src/triples/BitmapTriplesIterators.cpp
index e975966a..88fa4ffa 100644
--- a/libhdt/src/triples/BitmapTriplesIterators.cpp
+++ b/libhdt/src/triples/BitmapTriplesIterators.cpp
@@ -785,7 +785,7 @@ void ObjectIndexIterator::updateOutput() {
 
 bool ObjectIndexIterator::hasNext()
 {
-    return posIndex <= maxIndex;
+    return posIndex <= maxIndex && maxIndex >= 0;
 }
 
 TripleID *ObjectIndexIterator::next()