diff --git a/cupyx/_gufunc.py b/cupyx/_gufunc.py
index dd193764499..a38b361d9d7 100644
--- a/cupyx/_gufunc.py
+++ b/cupyx/_gufunc.py
@@ -2,4 +2,4 @@
 
 
 class GeneralizedUFunc(cupy._core._gufuncs._GUFunc):
-    pass
+    __doc__ = cupy._core._gufuncs._GUFunc.__doc__