diff --git a/src/parse-gram.c b/src/parse-gram.c
index ba5b09bc..d4fbdd76 100644
--- a/src/parse-gram.c
+++ b/src/parse-gram.c
@@ -2273,6 +2273,6 @@ gram_error (location const *loc, char const *msg)
 char const *
 token_name (int type)
 {
-  return yytname[type];
+  return yytname[YYTRANSLATE (type)];
 }