1 files changed, 1 insertions, 0 deletions
diff --git a/sfinae.l b/sfinae.l
index f5b9cf1..f2bf473 100644
--- a/sfinae.l
+++ b/sfinae.l
@@ -47,6 +47,7 @@ static int fail(const char* message)
 "byte"                  return TOK_BYTE;
 "size_t"                return TOK_SIZE_T;
 "char"                  return TOK_CHAR_T;
+"tuple"                 return TOK_TUPLE;
 "remove_cv_t"           return TOK_REMOVE_CV;
 "decltype"              return TOK_DECLTYPE;
 "difference"            return TOK_DIFFERENCE;