diff --git a/Surface_mesh_segmentation/include/CGAL/internal/Surface_mesh_segmentation/SDF_calculation.h b/Surface_mesh_segmentation/include/CGAL/internal/Surface_mesh_segmentation/SDF_calculation.h
index d30d1951c78..8a39e7a0110 100644
--- a/Surface_mesh_segmentation/include/CGAL/internal/Surface_mesh_segmentation/SDF_calculation.h
+++ b/Surface_mesh_segmentation/include/CGAL/internal/Surface_mesh_segmentation/SDF_calculation.h
@@ -425,15 +425,16 @@ private:
 
       Vector i_ray(*i_point, query.source());
       double new_distance = i_ray.squared_length();
-      if(!min_distance.get<0>() || new_distance < min_distance.get<2>()) {
-        min_distance.get<3>() = id;
-        min_distance.get<2>() = new_distance;
-        min_distance.get<0>() = true;
+      if(!min_distance.template get<0>()
+          || new_distance < min_distance.template get<2>()) {
+        min_distance.template get<3>() = id;
+        min_distance.template get<2>() = new_distance;
+        min_distance.template get<0>() = true;
         min_id = id;
         min_i_ray = i_ray;
       }
     }
-    if(!min_distance.get<0>()) {
+    if(!min_distance.template get<0>()) {
       return min_distance;
     }
 
@@ -451,8 +452,8 @@ private:
       }
     }
 
-    min_distance.get<1>() = true; // founded intersection is acceptable.
-    min_distance.get<2>() = std::sqrt(min_distance.get<2>());
+    min_distance.template get<1>() = true; // founded intersection is acceptable.
+    min_distance.template get<2>() = std::sqrt(min_distance.template get<2>());
     return min_distance;
   }