diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 361b543..258f166 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -27,7 +27,7 @@
 static void zconferror(const char *err);
 static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken);
 
-struct symbol *symbol_hash[257];
+struct symbol *symbol_hash[SYMBOL_HASHSIZE];
 
 static struct menu *current_menu, *current_entry;