diff --git a/configure.ac b/configure.ac
index 5fa47b7..a3c158a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,7 +29,7 @@
 AS_IF([test "x$SDBUSPLUSPLUS" == "x"], AC_MSG_ERROR([Cannot find sdbus++]))
 
 # Checks for typedefs, structures, and compiler characteristics.
-AX_CXX_COMPILE_STDCXX(14, [noext])
+AX_CXX_COMPILE_STDCXX_17([noext])
 AX_APPEND_COMPILE_FLAGS([-Wall -Werror], [CXXFLAGS])
 
 # Checks for library functions.