diff --git a/Scripts/developer_scripts/cgal_check_dependencies.sh b/Scripts/developer_scripts/cgal_check_dependencies.sh
index 65b989a8ca2..f270b719745 100644
--- a/Scripts/developer_scripts/cgal_check_dependencies.sh
+++ b/Scripts/developer_scripts/cgal_check_dependencies.sh
@@ -30,7 +30,7 @@ do
   fi
 done
 
-cmake -DCGAL_HEADER_ONLY=FALSE -DCGAL_ENABLE_CHECK_HEADERS=TRUE -DDOXYGEN_EXECUTABLE="$DOX_PATH" -DCGAL_COPY_DEPENDENCIES=TRUE -DCMAKE_CXX_FLAGS="-std=c++11" ..
+cmake -DCGAL_HEADER_ONLY=FALSE -DCGAL_ENABLE_CHECK_HEADERS=TRUE -DDOXYGEN_EXECUTABLE="$DOX_PATH" -DCGAL_COPY_DEPENDENCIES=TRUE -DCMAKE_CXX_FLAGS="-std=c++1y" ..
 if [ -n "$DO_CHECK_HEADERS" ]; then
     make -j$(nproc --all) -k check_headers
 fi
diff --git a/Surface_mesh/benchmark/CMakeLists.txt b/Surface_mesh/benchmark/CMakeLists.txt
index 8d376836e91..2c5482dcbd2 100644
--- a/Surface_mesh/benchmark/CMakeLists.txt
+++ b/Surface_mesh/benchmark/CMakeLists.txt
@@ -10,7 +10,7 @@ include_directories(BEFORE "../include")
 #add_definitions("-pg")
 #SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pg")
 # add_definitions("-g")
-add_definitions("-std=c++11")
+add_definitions("-std=c++1y")
 
 # Polyhedron
 add_executable(polyhedron_performance performance_2.h polyhedron_performance.h polyhedron_performance.cpp)