1 files changed, 2 insertions, 1 deletions
diff --git a/include/gudhi/Neighbors_finder.h b/include/gudhi/Neighbors_finder.h
index a6b9b021..87c7cee5 100644
--- a/include/gudhi/Neighbors_finder.h
+++ b/include/gudhi/Neighbors_finder.h
@@ -32,6 +32,7 @@
 
 #include <unordered_set>
 #include <vector>
+#include <algorithm>  // for std::max
 
 namespace Gudhi {
 
@@ -44,7 +45,7 @@ struct Square_query {
   typedef Internal_point Point_d;
   typedef double FT;
   bool contains(Point_d p) const {
-    return std::abs(p.x()-c.x()) <= size && std::abs(p.y()-c.y()) <= size;
+    return std::max(std::abs(p.x()-c.x()), std::abs(p.y()-c.y())) <= size;
   }
   bool inner_range_intersects(CGAL::Kd_tree_rectangle<FT, D> const&r) const {
     return