diff --git a/lib/deprecated/zbuff.h b/lib/deprecated/zbuff.h
index 85f973557..f62091976 100644
--- a/lib/deprecated/zbuff.h
+++ b/lib/deprecated/zbuff.h
@@ -42,7 +42,9 @@ extern "C" {
 #ifdef ZBUFF_DISABLE_DEPRECATE_WARNINGS
 #  define ZBUFF_DEPRECATED(message) ZSTDLIB_API  /* disable deprecation warnings */
 #else
-#  if (defined(__GNUC__) && (__GNUC__ >= 5)) || defined(__clang__)
+#  if defined (__cplusplus) && (__cplusplus >= 201402) /* C++14 or greater */
+#    define ZBUFF_DEPRECATED(message) [[deprecated(message)]] ZSTDLIB_API
+#  elif (defined(__GNUC__) && (__GNUC__ >= 5)) || defined(__clang__)
 #    define ZBUFF_DEPRECATED(message) ZSTDLIB_API __attribute__((deprecated(message)))
 #  elif defined(__GNUC__) && (__GNUC__ >= 3)
 #    define ZBUFF_DEPRECATED(message) ZSTDLIB_API __attribute__((deprecated))
diff --git a/lib/dictBuilder/zdict.h b/lib/dictBuilder/zdict.h
index 4d0a62a2c..4ead4474f 100644
--- a/lib/dictBuilder/zdict.h
+++ b/lib/dictBuilder/zdict.h
@@ -174,7 +174,7 @@ ZDICTLIB_API size_t ZDICT_finalizeDictionary(void* dictBuffer, size_t dictBuffer
 #else
 #  define ZDICT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
 #  if defined (__cplusplus) && (__cplusplus >= 201402) /* C++14 or greater */
-#    define ZDICT_DEPRECATED(message) ZDICTLIB_API [[deprecated(message)]]
+#    define ZDICT_DEPRECATED(message) [[deprecated(message)]] ZDICTLIB_API
 #  elif (ZDICT_GCC_VERSION >= 405) || defined(__clang__)
 #    define ZDICT_DEPRECATED(message) ZDICTLIB_API __attribute__((deprecated(message)))
 #  elif (ZDICT_GCC_VERSION >= 301)