diff --git a/src/buffer.cc b/src/buffer.cc
index d37a154e..d59977fe 100644
--- a/src/buffer.cc
+++ b/src/buffer.cc
@@ -61,6 +61,18 @@ bool BufferIterator::operator<=(const BufferIterator& iterator) const
     return (m_position <= iterator.m_position);
 }
 
+bool BufferIterator::operator>(const BufferIterator& iterator) const
+{
+    assert(m_buffer == iterator.m_buffer);
+    return (m_position > iterator.m_position);
+}
+
+bool BufferIterator::operator>=(const BufferIterator& iterator) const
+{
+    assert(m_buffer == iterator.m_buffer);
+    return (m_position >= iterator.m_position);
+}
+
 BufferChar BufferIterator::operator*() const
 {
     assert(m_buffer);
diff --git a/src/buffer.hh b/src/buffer.hh
index 542a8349..565dfea5 100644
--- a/src/buffer.hh
+++ b/src/buffer.hh
@@ -42,6 +42,8 @@ public:
     bool operator!= (const BufferIterator& iterator) const;
     bool operator<  (const BufferIterator& iterator) const;
     bool operator<= (const BufferIterator& iterator) const;
+    bool operator>  (const BufferIterator& iterator) const;
+    bool operator>= (const BufferIterator& iterator) const;
 
     BufferChar operator* () const;
     BufferSize operator- (const BufferIterator& iterator) const;