1 files changed, 3 insertions, 1 deletions
diff --git a/Python/ceval.c b/Python/ceval.c
index 09fd2f2926..308ef52259 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -1255,7 +1255,9 @@ positional_only_passed_as_keyword(PyThreadState *tstate, PyCodeObject *co,
 {
     int posonly_conflicts = 0;
     PyObject* posonly_names = PyList_New(0);
-
+    if (posonly_names == NULL) {
+        goto fail;
+    }
     for(int k=0; k < co->co_posonlyargcount; k++){
         PyObject* posonly_name = PyTuple_GET_ITEM(co->co_localsplusnames, k);