diff --git a/Examples/makefile b/Examples/makefile
index a6054fd98f6ba1b7a7e855c1fe895c5e4cce0c05..500779bd58195143e36a4158f42e09425a273956 100644
--- a/Examples/makefile
+++ b/Examples/makefile
@@ -1,7 +1,7 @@
 .PHONY:clean all
 
 CC=nvc++
-FLAGS=--std=c++23 -stdpar=gpu
+FLAGS=--std=c++20 -stdpar=gpu
 INCLUDES_WARNINGS:=--diag_suppress useless_using_declaration