diff --git a/Objects/setobject.c b/Objects/setobject.c
index 7eac1aa..54b14da 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -75,7 +75,7 @@
 */
 
 static setentry *
-set_lookkey(PySetObject *so, PyObject *key, register long hash)
+set_lookkey(PySetObject *so, PyObject *key, register Py_hash_t hash)
 {
     register Py_ssize_t i;
     register size_t perturb;
@@ -157,7 +157,7 @@
  * see if the comparison altered the table.
  */
 static setentry *
-set_lookkey_unicode(PySetObject *so, PyObject *key, register long hash)
+set_lookkey_unicode(PySetObject *so, PyObject *key, register Py_hash_t hash)
 {
     register Py_ssize_t i;
     register size_t perturb;
@@ -211,7 +211,7 @@
 Eats a reference to key.
 */
 static int
-set_insert_key(register PySetObject *so, PyObject *key, long hash)
+set_insert_key(register PySetObject *so, PyObject *key, Py_hash_t hash)
 {
     register setentry *entry;
     typedef setentry *(*lookupfunc)(PySetObject *, PyObject *, long);
@@ -248,7 +248,7 @@
 is responsible for incref'ing `key`.
 */
 static void
-set_insert_clean(register PySetObject *so, PyObject *key, long hash)
+set_insert_clean(register PySetObject *so, PyObject *key, Py_hash_t hash)
 {
     register size_t i;
     register size_t perturb;
@@ -349,7 +349,7 @@
         } else {
             /* ACTIVE */
             --i;
-            set_insert_clean(so, entry->key, (long) entry->hash);
+            set_insert_clean(so, entry->key, entry->hash);
         }
     }
 
@@ -369,7 +369,7 @@
     assert(so->fill <= so->mask);  /* at least one empty slot */
     n_used = so->used;
     Py_INCREF(key);
-    if (set_insert_key(so, key, (long) entry->hash) == -1) {
+    if (set_insert_key(so, key, entry->hash) == -1) {
         Py_DECREF(key);
         return -1;
     }
@@ -381,7 +381,7 @@
 static int
 set_add_key(register PySetObject *so, PyObject *key)
 {
-    register long hash;
+    register Py_hash_t hash;
     register Py_ssize_t n_used;
 
     if (!PyUnicode_CheckExact(key) ||
@@ -410,7 +410,7 @@
 {       register setentry *entry;
     PyObject *old_key;
 
-    entry = (so->lookup)(so, oldentry->key, (long) oldentry->hash);
+    entry = (so->lookup)(so, oldentry->key, oldentry->hash);
     if (entry == NULL)
         return -1;
     if (entry->key == NULL  ||  entry->key == dummy)
@@ -426,7 +426,7 @@
 static int
 set_discard_key(PySetObject *so, PyObject *key)
 {
-    register long hash;
+    register Py_hash_t hash;
     register setentry *entry;
     PyObject *old_key;
 
@@ -675,7 +675,7 @@
 static int
 set_contains_key(PySetObject *so, PyObject *key)
 {
-    long hash;
+    Py_hash_t hash;
     setentry *entry;
 
     if (!PyUnicode_CheckExact(key) ||
@@ -697,7 +697,7 @@
     PyObject *key;
     setentry *lu_entry;
 
-    lu_entry = (so->lookup)(so, entry->key, (long) entry->hash);
+    lu_entry = (so->lookup)(so, entry->key, entry->hash);
     if (lu_entry == NULL)
         return -1;
     key = lu_entry->key;
@@ -761,11 +761,11 @@
     return 0;
 }
 
-static long
+static Py_hash_t
 frozenset_hash(PyObject *self)
 {
     PySetObject *so = (PySetObject *)self;
-    long h, hash = 1927868237L;
+    Py_hash_t h, hash = 1927868237L;
     setentry *entry;
     Py_ssize_t pos = 0;
 
@@ -926,7 +926,7 @@
     if (PyDict_CheckExact(other)) {
         PyObject *value;
         Py_ssize_t pos = 0;
-        long hash;
+        Py_hash_t hash;
         Py_ssize_t dictsize = PyDict_Size(other);
 
         /* Do one big resize at the start, rather than
@@ -1114,7 +1114,7 @@
 {
     Py_ssize_t t;
     setentry *u;
-    setentry *(*f)(PySetObject *so, PyObject *key, long hash);
+    setentry *(*f)(PySetObject *so, PyObject *key, Py_ssize_t hash);
     setentry tab[PySet_MINSIZE];
     long h;
 
@@ -1285,7 +1285,7 @@
     while ((key = PyIter_Next(it)) != NULL) {
         int rv;
         setentry entry;
-        long hash = PyObject_Hash(key);
+        Py_hash_t hash = PyObject_Hash(key);
 
         if (hash == -1) {
             Py_DECREF(it);
@@ -1442,7 +1442,7 @@
     while ((key = PyIter_Next(it)) != NULL) {
         int rv;
         setentry entry;
-        long hash = PyObject_Hash(key);
+        Py_hash_t hash = PyObject_Hash(key);
 
         if (hash == -1) {
             Py_DECREF(key);
@@ -1641,7 +1641,7 @@
     if (PyDict_CheckExact(other)) {
         PyObject *value;
         int rv;
-        long hash;
+        Py_hash_t hash;
         while (_PyDict_Next(other, &pos, &key, &value, &hash)) {
             setentry an_entry;
 
@@ -2308,7 +2308,7 @@
 }
 
 int
-_PySet_NextEntry(PyObject *set, Py_ssize_t *pos, PyObject **key, long *hash)
+_PySet_NextEntry(PyObject *set, Py_ssize_t *pos, PyObject **key, Py_hash_t *hash)
 {
     setentry *entry;
 
@@ -2319,7 +2319,7 @@
     if (set_next((PySetObject *)set, pos, &entry) == 0)
         return 0;
     *key = entry->key;
-    *hash = (long) entry->hash;
+    *hash = entry->hash;
     return 1;
 }
 
@@ -2363,7 +2363,7 @@
     Py_ssize_t i;
     PyObject *elem=NULL, *dup=NULL, *t, *f, *dup2, *x;
     PyObject *ob = (PyObject *)so;
-    long hash;
+    Py_hash_t hash;
     PyObject *str;
 
     /* Verify preconditions */