diff --git a/Objects/bytearrayobject.c b/Objects/bytearrayobject.c
index 164c1cf..7d5dbd0 100644
--- a/Objects/bytearrayobject.c
+++ b/Objects/bytearrayobject.c
@@ -589,6 +589,7 @@
         needed = 0;
     }
     else if (values == (PyObject *)self || !PyByteArray_Check(values)) {
+        int err;
         if (PyNumber_Check(values) || PyUnicode_Check(values)) {
             PyErr_SetString(PyExc_TypeError,
                             "can assign only bytes, buffers, or iterables "
@@ -596,7 +597,6 @@
             return -1;
         }
         /* Make a copy and call this function recursively */
-        int err;
         values = PyByteArray_FromObject(values);
         if (values == NULL)
             return -1;