diff --git a/sycl/source/detail/graph_impl.hpp b/sycl/source/detail/graph_impl.hpp
index 8cc1e75204697..9d8604316e8d5 100644
--- a/sycl/source/detail/graph_impl.hpp
+++ b/sycl/source/detail/graph_impl.hpp
@@ -899,7 +899,7 @@ class graph_impl {
   void addEventForNode(std::shared_ptr<graph_impl> GraphImpl,
                        std::shared_ptr<sycl::detail::event_impl> EventImpl,
                        std::shared_ptr<node_impl> NodeImpl) {
-    if (!(EventImpl->getCommandGraph()))
+    if (EventImpl && !(EventImpl->getCommandGraph()))
       EventImpl->setCommandGraph(GraphImpl);
     MEventsMap[EventImpl] = NodeImpl;
   }