1 files changed, 1 insertions, 1 deletions
diff --git a/src/common/include/gudhi/distance_functions.h b/src/common/include/gudhi/distance_functions.h
index 5c7f3d55..5891ef0e 100644
--- a/src/common/include/gudhi/distance_functions.h
+++ b/src/common/include/gudhi/distance_functions.h
@@ -34,7 +34,7 @@
 class Euclidean_distance {
  public:
   template< typename Point >
-  auto operator()(const Point& p1, const Point& p2) -> typename Point::value_type {
+  auto operator()(const Point& p1, const Point& p2) -> typename std::decay<decltype(*std::begin(p1))>::type {
     auto it1 = p1.begin();
     auto it2 = p2.begin();
     typename Point::value_type dist = 0.;