diff --git a/Python/ceval.c b/Python/ceval.c
index 2af78ff..1121c93 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -2637,6 +2637,7 @@ PyEval_EvalFrameEx(PyFrameObject *f, int throwflag)
             if ((x = f->f_locals) == NULL) {
                 PyErr_SetString(PyExc_SystemError,
                     "no locals found during 'import *'");
+                Py_DECREF(v);
                 break;
             }
             READ_TIMESTAMP(intr0);