Index: libcfa/prelude/Makefile.am
===================================================================
--- libcfa/prelude/Makefile.am	(revision 94e006a4c17c517fea75a5acb3174fe8b5abca65)
+++ libcfa/prelude/Makefile.am	(revision ecfe574c06fc8f80c10099e73f1e376dd879feb6)
@@ -50,5 +50,5 @@
 
 prelude.cfa : prelude-gen.cc
-	${AM_V_GEN}${CXX} ${AM_CXXFLAGS} ${CXXFLAGS} ${AM_CFLAGS} ${<} -o prelude-gen -Wall -Wextra -O2 -g -std=c++14
+	${AM_V_GEN}${CXX} ${AM_CXXFLAGS} ${CXXFLAGS} ${AM_CFLAGS} ${<} -o prelude-gen -Wall -Wextra -O2 -g -std=c++17
 	@./prelude-gen > ${@}
 	@rm ./prelude-gen