1 files changed, 1 insertions, 1 deletions
diff --git a/Python/compile.c b/Python/compile.c
index 697833752b..3656a7e00e 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -1210,7 +1210,7 @@ merge_consts_recursive(struct compiler *c, PyObject *o)
     PyObject *t = PyDict_SetDefault(c->c_const_cache, key, key);
     if (t != key) {
         // o is registered in c_const_cache.  Just use it.
-        Py_INCREF(t);
+        Py_XINCREF(t);
         Py_DECREF(key);
         return t;
     }