From ba1ac7c180d6e56518497871c9c4f1df235cb00b Mon Sep 17 00:00:00 2001
From: Brad Davis <bdavis@saintandreas.org>
Date: Mon, 10 Sep 2018 15:07:15 -0700
Subject: [PATCH] Ensure a web overlay doesn't access an invalid
 tabletScriptingInterface

---
 interface/src/ui/overlays/Web3DOverlay.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/interface/src/ui/overlays/Web3DOverlay.cpp b/interface/src/ui/overlays/Web3DOverlay.cpp
index c16b4c016d..9d55c91ef3 100644
--- a/interface/src/ui/overlays/Web3DOverlay.cpp
+++ b/interface/src/ui/overlays/Web3DOverlay.cpp
@@ -132,7 +132,9 @@ void Web3DOverlay::destroyWebSurface() {
 
     if (rootItem && rootItem->objectName() == "tabletRoot") {
         auto tabletScriptingInterface = DependencyManager::get<TabletScriptingInterface>();
-        tabletScriptingInterface->setQmlTabletRoot("com.highfidelity.interface.tablet.system", nullptr);
+        if (tabletScriptingInterface) {
+            tabletScriptingInterface->setQmlTabletRoot("com.highfidelity.interface.tablet.system", nullptr);
+        }
     }
 
     // Fix for crash in QtWebEngineCore when rapidly switching domains