diff --git a/Objects/longobject.c b/Objects/longobject.c
index c0b4ce0..02b3603 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -5702,7 +5702,7 @@ PyLong_GetInfo(void)
 }
 
 int
-_PyLong_Init(PyThreadState *tstate)
+_PyLong_Init(PyInterpreterState *interp)
 {
     for (Py_ssize_t i=0; i < NSMALLNEGINTS + NSMALLPOSINTS; i++) {
         sdigit ival = (sdigit)i - NSMALLNEGINTS;
@@ -5716,10 +5716,10 @@ _PyLong_Init(PyThreadState *tstate)
         Py_SET_SIZE(v, size);
         v->ob_digit[0] = (digit)abs(ival);
 
-        tstate->interp->small_ints[i] = v;
+        interp->small_ints[i] = v;
     }
 
-    if (_Py_IsMainInterpreter(tstate->interp)) {
+    if (_Py_IsMainInterpreter(interp)) {
         /* initialize int_info */
         if (Int_InfoType.tp_name == NULL) {
             if (PyStructSequence_InitType2(&Int_InfoType, &int_info_desc) < 0) {
@@ -5732,9 +5732,9 @@ _PyLong_Init(PyThreadState *tstate)
 }
 
 void
-_PyLong_Fini(PyThreadState *tstate)
+_PyLong_Fini(PyInterpreterState *interp)
 {
     for (Py_ssize_t i = 0; i < NSMALLNEGINTS + NSMALLPOSINTS; i++) {
-        Py_CLEAR(tstate->interp->small_ints[i]);
+        Py_CLEAR(interp->small_ints[i]);
     }
 }