1 files changed, 1 insertions, 1 deletions
diff --git a/Objects/genobject.c b/Objects/genobject.c
index 597aed37a1..016bfa2975 100644
--- a/Objects/genobject.c
+++ b/Objects/genobject.c
@@ -178,7 +178,7 @@ gen_yf(PyGenObject *gen)
     PyObject *yf = NULL;
     PyFrameObject *f = gen->gi_frame;
 
-    if (f) {
+    if (f && f->f_stacktop) {
         PyObject *bytecode = f->f_code->co_code;
         unsigned char *code = (unsigned char *)PyBytes_AS_STRING(bytecode);