diff --git a/collects/mzlib/private/contract-struct.rkt b/collects/mzlib/private/contract-struct.rkt
index 42af731..b7427c3 100644
--- a/collects/mzlib/private/contract-struct.rkt
+++ b/collects/mzlib/private/contract-struct.rkt
@@ -73,4 +73,4 @@
                  (and (predicate-id val)
                       (ctc-pred-x (selector-id val)) ...))))))))]
     [(_ struct-name anything ...)
-     (raise-syntax-error 'struct/c "expected a struct identifier" stx (syntax struct-name))]))
\ No newline at end of file
+     (raise-syntax-error 'struct/c "expected a struct identifier" stx (syntax struct-name))]))