diff --git a/SDL2pp/Config.hh.in b/SDL2pp/Config.hh.in
index e12670b..a9ce0bc 100644
--- a/SDL2pp/Config.hh.in
+++ b/SDL2pp/Config.hh.in
@@ -33,4 +33,10 @@
 #cmakedefine SDL2PP_WITH_EXPERIMENTAL_OPTIONAL
 #cmakedefine SDL2PP_WITH_DEPRECATED
 
+#if defined(SDL2PP_WITH_DEPRECATED)
+#	define SDL2PP_DEPRECATED [[deprecated]]
+#else
+#	define SDL2PP_DEPRECATED
+#endif
+
 #endif