1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax/ext/build.rs b/src/libsyntax/ext/build.rs
index 3a1cdae9bfb..1d27cf5b0a1 100644
--- a/src/libsyntax/ext/build.rs
+++ b/src/libsyntax/ext/build.rs
@@ -830,7 +830,7 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
     }
     fn pat_enum(&self, span: Span, path: ast::Path, subpats: Vec<P<ast::Pat>>) -> P<ast::Pat> {
         let pat = if subpats.is_empty() {
-            PatKind::Path(path)
+            PatKind::Path(None, path)
         } else {
             PatKind::TupleStruct(path, subpats, None)
         };