diff --git a/Objects/object.c b/Objects/object.c
index 91531e0d25f..a263bda9036 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -748,7 +748,7 @@ try_3way_to_rich_compare(PyObject *v, PyObject *w, int op)
 	return result;
 }
 
-PyObject *
+static PyObject *
 do_richcmp(PyObject *v, PyObject *w, int op)
 {
 	PyObject *res;