diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index fc2d274..aeaf845 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -403,8 +403,7 @@
     int cmp;
 
     for (i = 0, cmp = 0 ; cmp == 0 && i < Py_SIZE(a); ++i)
-        cmp = PyObject_RichCompareBool(el, PyTuple_GET_ITEM(a, i),
-                                           Py_EQ);
+        cmp = PyObject_RichCompareBool(PyTuple_GET_ITEM(a, i), el, Py_EQ);
     return cmp;
 }