diff --git a/asv/_rangemedian.cpp b/asv/_rangemedian.cpp
index 477c2e0be..09f07980f 100644
--- a/asv/_rangemedian.cpp
+++ b/asv/_rangemedian.cpp
@@ -348,14 +348,52 @@ static PyMethodDef RangeMedian_methods[] = {
 
 static PyTypeObject RangeMedianType = {
     PyVarObject_HEAD_INIT(NULL, 0)
-    .tp_name="RangeMedian",
-    .tp_basicsize=sizeof(RangeMedianObject),
-    .tp_dealloc=(destructor)RangeMedian_dealloc,
-    .tp_flags=Py_TPFLAGS_DEFAULT,
-    .tp_doc = NULL,
-    .tp_methods=RangeMedian_methods,
-    .tp_init=(initproc)RangeMedian_init,
-    .tp_new=RangeMedian_new
+    "RangeMedian",
+    sizeof(RangeMedianObject),
+    0,
+    (destructor)RangeMedian_dealloc, // tp_dealloc
+    0,                          // tp_print
+    0,                          // tp_getattr
+    0,                          // tp_setattr
+    0,                          // tp_compare / tp_reserved
+    0,                          // tp_repr
+    0,                          // tp_as_number
+    0,                          // tp_as_sequence
+    0,                          // tp_as_mapping
+    0,                          // tp_hash
+    0,                          // tp_call
+    0,                          // tp_str
+    0,                          // tp_getattro
+    0,                          // tp_setattro
+    0,                          // tp_as_buffer
+    Py_TPFLAGS_DEFAULT,         // tp_flags
+    NULL,                       // tp_doc
+    0,                          // tp_traverse
+    0,                          // tp_clear
+    0,                          // tp_richcompare
+    0,                          // tp_weaklistoffset
+    0,                          // tp_iter
+    0,                          // tp_iternext
+    RangeMedian_methods,        // tp_methods
+    0,                          // tp_members
+    0,                          // tp_getset
+    0,                          // tp_base
+    0,                          // tp_dict
+    0,                          // tp_descr_get
+    0,                          // tp_descr_set
+    0,                          // tp_dictoffset
+    (initproc)RangeMedian_init, // tp_init
+    0,                          // tp_alloc
+    RangeMedian_new,            // tp_new
+    0,                          // tp_free
+    0,                          // tp_is_gc
+    0,                          // tp_bases
+    0,                          // tp_mro
+    0,                          // tp_cache
+    0,                          // tp_subclasses
+    0,                          // tp_weaklist
+    0,                          // tp_del
+    0,                          // tp_version_tag
 };