1 files changed, 1 insertions, 0 deletions
diff --git a/gc.c b/gc.c
index 788036a980..f2ea3cc37a 100644
--- a/gc.c
+++ b/gc.c
@@ -1131,6 +1131,7 @@ rb_gc_mark_frame(frame)
 {
     mark_locations_array(frame->argv, frame->argc);
     rb_gc_mark(frame->cbase);
+    rb_gc_mark((VALUE)frame->node);
 }
 
 #ifdef __GNUC__