diff --git a/Python/bytecodes.c b/Python/bytecodes.c
index 250e2d12a9de0b..f474720ef12cf4 100644
--- a/Python/bytecodes.c
+++ b/Python/bytecodes.c
@@ -2207,7 +2207,7 @@ dummy_func(
             *value_ptr = PyStackRef_AsPyObjectSteal(value);
             if (old_value == NULL) {
                 PyDictValues *values = _PyObject_InlineValues(owner_o);
-                int index = value_ptr - values->values;
+                Py_ssize_t index = value_ptr - values->values;
                 _PyDictValues_AddToInsertionOrder(values, index);
             }
             else {
diff --git a/Python/executor_cases.c.h b/Python/executor_cases.c.h
index 55b06a0e235dac..abcb198fa0297b 100644
--- a/Python/executor_cases.c.h
+++ b/Python/executor_cases.c.h
@@ -2594,7 +2594,7 @@
             *value_ptr = PyStackRef_AsPyObjectSteal(value);
             if (old_value == NULL) {
                 PyDictValues *values = _PyObject_InlineValues(owner_o);
-                int index = value_ptr - values->values;
+                Py_ssize_t index = value_ptr - values->values;
                 _PyDictValues_AddToInsertionOrder(values, index);
             }
             else {
diff --git a/Python/generated_cases.c.h b/Python/generated_cases.c.h
index 13bbff29d09133..de9c36bc7a480a 100644
--- a/Python/generated_cases.c.h
+++ b/Python/generated_cases.c.h
@@ -6839,7 +6839,7 @@
                 *value_ptr = PyStackRef_AsPyObjectSteal(value);
                 if (old_value == NULL) {
                     PyDictValues *values = _PyObject_InlineValues(owner_o);
-                    int index = value_ptr - values->values;
+                    Py_ssize_t index = value_ptr - values->values;
                     _PyDictValues_AddToInsertionOrder(values, index);
                 }
                 else {