diff --git a/pycuda/compyte b/pycuda/compyte
index d1f993daecc03947d9e6e3e60d2a5145ecbf3786..fbfe788a2dcb190fd241fd42ad047e33bafd85b8 160000
--- a/pycuda/compyte
+++ b/pycuda/compyte
@@ -1 +1 @@
-Subproject commit d1f993daecc03947d9e6e3e60d2a5145ecbf3786
+Subproject commit fbfe788a2dcb190fd241fd42ad047e33bafd85b8
diff --git a/src/cpp/cuda.hpp b/src/cpp/cuda.hpp
index 78f49a7a96213f9bf2f21512a4245c92c6de7094..e3f8ef24b32189231df50ee86abcfc7cac444ec2 100644
--- a/src/cpp/cuda.hpp
+++ b/src/cpp/cuda.hpp
@@ -1530,9 +1530,9 @@ namespace pycuda
   {
     public:
       virtual ~pointer_holder_base() { }
-      virtual CUdeviceptr get_pointer() = 0;
+      virtual CUdeviceptr get_pointer() const = 0;
 
-      operator CUdeviceptr()
+      operator CUdeviceptr() const
       { return get_pointer(); }
 
       py::object as_buffer(size_t size, size_t offset)
diff --git a/src/wrapper/wrap_cudadrv.cpp b/src/wrapper/wrap_cudadrv.cpp
index a27b836e3e7071777690303b1736e41f173d8f81..7c513a1af7ecd7f2268547716f40024f7434da6c 100644
--- a/src/wrapper/wrap_cudadrv.cpp
+++ b/src/wrapper/wrap_cudadrv.cpp
@@ -109,7 +109,7 @@ namespace
     public py::wrapper<pointer_holder_base>
   {
     public:
-      CUdeviceptr get_pointer()
+      CUdeviceptr get_pointer() const
       {
         return this->get_override("get_pointer")();
       }
@@ -260,7 +260,7 @@ namespace
     py_buffer_wrapper buf_wrapper;
     buf_wrapper.get(dest.ptr(), PyBUF_ANY_CONTIGUOUS | PyBUF_WRITABLE);
 
-    CUDAPP_CALL_GUARDED_THREADED(cuMemcpyAtoH, 
+    CUDAPP_CALL_GUARDED_THREADED(cuMemcpyAtoH,
         (buf_wrapper.m_buf.buf, ary.handle(), index, buf_wrapper.m_buf.len));
   }
 
@@ -1271,6 +1271,9 @@ BOOST_PYTHON_MODULE(_driver)
       .def("get_pointer", py::pure_virtual(&cl::get_pointer))
       .def("as_buffer", &cl::as_buffer,
           (py::arg("size"), py::arg("offset")=0))
+      .def("__int__", &cl::operator CUdeviceptr)
+      .def("__long__", mem_obj_to_long<cl>)
+      .def("__index__", mem_obj_to_long<cl>)
       ;
 
     py::implicitly_convertible<pointer_holder_base, CUdeviceptr>();
@@ -1280,8 +1283,8 @@ BOOST_PYTHON_MODULE(_driver)
     typedef device_allocation cl;
     py::class_<cl, boost::noncopyable>("DeviceAllocation", py::no_init)
       .def("__int__", &cl::operator CUdeviceptr)
-      .def("__long__", mem_obj_to_long<device_allocation>)
-      .def("__index__", mem_obj_to_long<device_allocation>)
+      .def("__long__", mem_obj_to_long<cl>)
+      .def("__index__", mem_obj_to_long<cl>)
       .def("as_buffer", &cl::as_buffer,
           (py::arg("size"), py::arg("offset")=0))
       .DEF_SIMPLE_METHOD(free)
@@ -1296,7 +1299,8 @@ BOOST_PYTHON_MODULE(_driver)
     py::class_<cl, boost::noncopyable>("IPCMemoryHandle",
         py::init<py::object, py::optional<CUipcMem_flags> >())
       .def("__int__", &cl::operator CUdeviceptr)
-      .def("__long__", mem_obj_to_long<ipc_mem_handle>)
+      .def("__long__", mem_obj_to_long<cl>)
+      .def("__index__", mem_obj_to_long<cl>)
       .DEF_SIMPLE_METHOD(close)
       ;
 
@@ -1352,7 +1356,7 @@ BOOST_PYTHON_MODULE(_driver)
 
     wrp
       .DEF_SIMPLE_METHOD(get_device_pointer)
-      .def("attach", &cl::attach, 
+      .def("attach", &cl::attach,
         (py::arg("mem_flags"), py::arg("stream")=py::object()))
       ;
   }
diff --git a/test/test_driver.py b/test/test_driver.py
index 0c074efe05e93bd4a39ac20a22ed86586bf1a53a..c720cebf1ac7c9d9de8928f6213e948e0411a354 100644
--- a/test/test_driver.py
+++ b/test/test_driver.py
@@ -1039,6 +1039,21 @@ class TestDriver:
         test_kernel(grid=(2, 1), block=(1, 1, 1))
 
 
+class WrappedAllocation(drv.PointerHolderBase):
+    def __init__(self, wrapped):
+        self.wrapped = wrapped
+        super().__init__()
+
+    def get_pointer(self):
+        return int(self.wrapped)
+
+
+def test_pointer_holder_base():
+    alloc = WrappedAllocation(drv.mem_alloc(1024))
+    ary = gpuarray.GPUArray((1024,), np.uint8, gpudata=alloc)
+    print(ary.get())
+
+
 def test_import_pyopencl_before_pycuda():
     try:
         import pyopencl  # noqa