diff --git a/Python/ast.c b/Python/ast.c
index 2a59415..317a42b 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -2645,7 +2645,7 @@
             return NULL;
 
         tmp_result = BinOp(result, newoperator, tmp,
-                           LINENO(next_oper), next_oper->n_col_offset,
+                           LINENO(n), n->n_col_offset,
                            CHILD(n, i * 2 + 2)->n_end_lineno,
                            CHILD(n, i * 2 + 2)->n_end_col_offset,
                            c->c_arena);