diff --git a/Objects/bytearrayobject.c b/Objects/bytearrayobject.c
index 3f3e6bc..8a0994f 100644
--- a/Objects/bytearrayobject.c
+++ b/Objects/bytearrayobject.c
@@ -420,7 +420,8 @@
         return PyLong_FromLong((unsigned char)(PyByteArray_AS_STRING(self)[i]));
     }
     else if (PySlice_Check(index)) {
-        Py_ssize_t start, stop, step, slicelength, cur, i;
+        Py_ssize_t start, stop, step, slicelength, i;
+        size_t cur;
         if (PySlice_Unpack(index, &start, &stop, &step) < 0) {
             return NULL;
         }