diff --git a/Shape_detection/include/CGAL/Shape_detection/Region_growing/Region_growing.h b/Shape_detection/include/CGAL/Shape_detection/Region_growing/Region_growing.h
index 78b7a68189e..6b261f5769c 100644
--- a/Shape_detection/include/CGAL/Shape_detection/Region_growing/Region_growing.h
+++ b/Shape_detection/include/CGAL/Shape_detection/Region_growing/Region_growing.h
@@ -129,7 +129,7 @@ namespace internal {
       RegionType& region_type,
       ItemMap item_map = ItemMap()
 #ifndef DOXYGEN_RUNNING
-      , std::enable_if<!std::is_same<ItemMap, RegionMap>::value>* = 0
+      , std::enable_if_t<!std::is_same<ItemMap, RegionMap>::value>* = 0
 #endif
       ) :
       m_neighbor_query(neighbor_query),
@@ -193,7 +193,7 @@ namespace internal {
       RegionType& region_type,
       ItemMap item_map = ItemMap()
 #ifndef DOXYGEN_RUNNING
-      , std::enable_if<!std::is_same<ItemMap, RegionMap>::value>* = 0
+      , std::enable_if_t<!std::is_same<ItemMap, RegionMap>::value>* = 0
 #endif
       ) :
       m_neighbor_query(neighbor_query),