diff --git a/source/utf8.h b/source/utf8.h
index 82b13f5..78df235 100644
--- a/source/utf8.h
+++ b/source/utf8.h
@@ -31,4 +31,8 @@ DEALINGS IN THE SOFTWARE.
 #include "utf8/checked.h"
 #include "utf8/unchecked.h"
 
+#if UTF_CPP_CPLUSPLUS >= 201103L
+#include "utf8/cpp11.h"
+#endif
+
 #endif // header guard