1 files changed, 2 insertions, 0 deletions
diff --git a/src/qml/jsruntime/qv4value_p.h b/src/qml/jsruntime/qv4value_p.h
index 4e901721cb..ae12033eb4 100644
--- a/src/qml/jsruntime/qv4value_p.h
+++ b/src/qml/jsruntime/qv4value_p.h
@@ -555,6 +555,8 @@ struct ValueArray {
         } else {
             while (v < end) {
                 v->mark(markStack);
+                if (markStack->top >= markStack->limit)
+                    markStack->drain();
                 ++v;
             }
         }