diff --git a/src/display_buffer.hh b/src/display_buffer.hh
index a59ca99e..0fef5258 100644
--- a/src/display_buffer.hh
+++ b/src/display_buffer.hh
@@ -140,9 +140,9 @@ public:
         auto has_buffer_range = std::mem_fn(&DisplayAtom::has_buffer_range);
         if (auto first = std::find_if(beg, end, has_buffer_range); first != end)
         {
-            auto last = std::find_if(std::reverse_iterator(end), std::reverse_iterator(first), has_buffer_range);
+            auto& last = *std::find_if(std::reverse_iterator(end), std::reverse_iterator(first), has_buffer_range);
             m_range.begin = std::min(m_range.begin, first->begin());
-            m_range.end = std::max(m_range.end, last->end());
+            m_range.end = std::max(m_range.end, last.end());
         }
         return m_atoms.insert(pos, beg, end);
     }