diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index 3955ccb4c420..2408d6202d88 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -4709,7 +4709,7 @@ fn parse_block_tail(&mut self, lo: Span, s: BlockCheckMode) -> PResult<'a, P<Blo
                 if macro_legacy_warnings && self.token != token::Semi {
                     self.warn_missing_semicolon();
                 } else {
-                    self.expect_one_of(&[token::Semi], &[])?;
+                    self.expect_one_of(&[], &[token::Semi])?;
                 }
             }
             _ => {}