diff --git qtwebengine/src/core/renderer/user_resource_controller.cpp qtwebengine/src/core/renderer/user_resource_controller.cpp
index b172c762b3..050497ed60 100644
--- qtwebengine/src/core/renderer/user_resource_controller.cpp
+++ qtwebengine/src/core/renderer/user_resource_controller.cpp
@@ -129,6 +129,8 @@ void UserResourceController::RenderViewObserverHelper::runScripts(UserScriptData
 void UserResourceController::runScripts(UserScriptData::InjectionPoint p, blink::WebLocalFrame *frame)
 {
     content::RenderView *renderView = content::RenderView::FromWebView(frame->view());
+    if(!renderView) return;
+
     const bool isMainFrame = (frame == renderView->GetWebView()->mainFrame());
 
     QList<uint64_t> scriptsToRun = m_viewUserScriptMap.value(globalScriptsIndex).toList();
@@ -192,7 +194,9 @@ void UserResourceController::RenderViewObserverHelper::FrameDetached(blink::WebF
 
 void UserResourceController::RenderViewObserverHelper::OnDestruct()
 {
-    UserResourceController::instance()->renderViewDestroyed(render_view());
+    content::RenderView* view = render_view();
+    if(view)
+        UserResourceController::instance()->renderViewDestroyed(view);
 }
 
 bool UserResourceController::RenderViewObserverHelper::OnMessageReceived(const IPC::Message &message)
@@ -209,17 +213,23 @@ bool UserResourceController::RenderViewObserverHelper::OnMessageReceived(const I
 
 void UserResourceController::RenderViewObserverHelper::onUserScriptAdded(const UserScriptData &script)
 {
-    UserResourceController::instance()->addScriptForView(script, render_view());
+    content::RenderView* view = render_view();
+    if(view)
+        UserResourceController::instance()->addScriptForView(script, view);
 }
 
 void UserResourceController::RenderViewObserverHelper::onUserScriptRemoved(const UserScriptData &script)
 {
-    UserResourceController::instance()->removeScriptForView(script, render_view());
+    content::RenderView* view = render_view();
+    if(view)
+        UserResourceController::instance()->removeScriptForView(script, view);
 }
 
 void UserResourceController::RenderViewObserverHelper::onScriptsCleared()
 {
-    UserResourceController::instance()->clearScriptsForView(render_view());
+    content::RenderView* view = render_view();
+    if(view)
+        UserResourceController::instance()->clearScriptsForView(view);
 }
 
 UserResourceController *UserResourceController::instance()