diff --git a/crates/erg_parser/parse.rs b/crates/erg_parser/parse.rs
index 44648f12..75d21c77 100644
--- a/crates/erg_parser/parse.rs
+++ b/crates/erg_parser/parse.rs
@@ -2168,10 +2168,11 @@ impl Parser {
                             obj = obj.attr_expr(ident);
                         }
                         NatLit => {
-                            let index = Literal::from(self.lpop());
+                            let index = Literal::from(token);
                             obj = obj.tuple_attr_expr(index);
                         }
                         Newline => {
+                            self.restore(token);
                             self.restore(vis);
                             break;
                         }
@@ -3017,7 +3018,6 @@ impl Parser {
                         debug_exit_info!(self);
                         return Err(());
                     };
-                    self.skip();
                     if let Some(args) = self
                         .opt_reduce_args(false)
                         .transpose()
diff --git a/crates/erg_parser/tests/parse_test.rs b/crates/erg_parser/tests/parse_test.rs
index 2e0f6e3b..669a10d3 100644
--- a/crates/erg_parser/tests/parse_test.rs
+++ b/crates/erg_parser/tests/parse_test.rs
@@ -69,7 +69,7 @@ fn exec_invalid_chunk_prs_err() -> Result<(), ()> {
 
 #[test]
 fn expect_failure_collections_err() -> Result<(), ()> {
-    expect_failure("tests/invalid_collections.er", 33)
+    expect_failure("tests/invalid_collections.er", 30)
 }
 
 #[test]