diff --git a/pandas/_libs/tslibs/offsets.pyx b/pandas/_libs/tslibs/offsets.pyx
index a16964435ef50..45baa7bce8d67 100644
--- a/pandas/_libs/tslibs/offsets.pyx
+++ b/pandas/_libs/tslibs/offsets.pyx
@@ -1836,7 +1836,7 @@ cdef class BusinessMixin(SingleConstructorOffset):
         BaseOffset.__setstate__(self, state)
 
 
-cdef class BusinessDay(BusinessMixin):
+cdef class pandas.tseries.offsets.BusinessDay( n=1, normalize=False, offset=timedelta(0)):
     """
     DateOffset subclass representing possibly n business days.