diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index 28c3dc1..3896b31 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -2707,7 +2707,7 @@
 {
     PyObject *result = PySet_New(self);
     PyObject *tmp;
-    _Py_identifier(difference_update);
+    _Py_IDENTIFIER(difference_update);
 
     if (result == NULL)
         return NULL;
@@ -2727,7 +2727,7 @@
 {
     PyObject *result = PySet_New(self);
     PyObject *tmp;
-    _Py_identifier(intersection_update);
+    _Py_IDENTIFIER(intersection_update);
 
     if (result == NULL)
         return NULL;
@@ -2767,7 +2767,7 @@
 {
     PyObject *result = PySet_New(self);
     PyObject *tmp;
-    _Py_identifier(symmetric_difference_update);
+    _Py_IDENTIFIER(symmetric_difference_update);
 
     if (result == NULL)
         return NULL;