diff --git a/examples/order-polytope-basics/CMakeLists.txt b/examples/order-polytope-basics/CMakeLists.txt
index beea52cfd..70026f61b 100644
--- a/examples/order-polytope-basics/CMakeLists.txt
+++ b/examples/order-polytope-basics/CMakeLists.txt
@@ -15,7 +15,6 @@ if(COMMAND cmake_policy)
   cmake_policy(SET CMP0003 NEW)
 endif(COMMAND cmake_policy)
 
-add_definitions(${CMAKE_CXX_FLAGS} "-std=c++17")
 
 option(DISABLE_NLP_ORACLES "Disable non-linear oracles (used in collocation)" ON)
 option(BUILTIN_EIGEN "Use eigen from ../../external" OFF)
@@ -100,7 +99,7 @@ else ()
   endif ()
 
 
-  add_definitions(${CMAKE_CXX_FLAGS} "-std=c++11")  # enable C++11 standard
+  add_definitions(${CMAKE_CXX_FLAGS} "-std=c++17")  # enable C++17 standard
   add_definitions(${CMAKE_CXX_FLAGS} "-O3")  # optimization of the compiler
   #add_definitions(${CXX_COVERAGE_COMPILE_FLAGS} "-lgsl")
   add_definitions(${CXX_COVERAGE_COMPILE_FLAGS} "-lm")