1 files changed, 2 insertions, 0 deletions
diff --git a/typecheck.c b/typecheck.c
index 88d862bb..6616b38f 100644
--- a/typecheck.c
+++ b/typecheck.c
@@ -1303,6 +1303,8 @@ bool can_be_mutated(env_t *env, ast_t *ast)
     case FieldAccess: {
         auto access = Match(ast, FieldAccess);
         type_t *fielded_type = get_type(env, access->fielded);
+        if (fielded_type->tag == TableType && streq(access->field, "values"))
+            return false;
         if (fielded_type->tag == PointerType) {
             auto ptr = Match(fielded_type, PointerType);
             return !ptr->is_readonly;