1 files changed, 3 insertions, 1 deletions
diff --git a/Source/WebCore/bindings/v8/PageScriptDebugServer.cpp b/Source/WebCore/bindings/v8/PageScriptDebugServer.cpp
index da2926a5f..18f7df7ee 100755
--- a/Source/WebCore/bindings/v8/PageScriptDebugServer.cpp
+++ b/Source/WebCore/bindings/v8/PageScriptDebugServer.cpp
@@ -76,10 +76,12 @@ PageScriptDebugServer::PageScriptDebugServer()
 
 void PageScriptDebugServer::addListener(ScriptDebugListener* listener, Page* page)
 {
+    V8Proxy* proxy = V8Proxy::retrieve(page->mainFrame());
+    if (!proxy)
+        return;
     ScriptController* scriptController = page->mainFrame()->script();
     if (!scriptController->canExecuteScripts(NotAboutToExecuteScript))
         return;
-    V8Proxy* proxy = V8Proxy::retrieve(page->mainFrame());
 
     v8::HandleScope scope;
     v8::Local<v8::Context> debuggerContext = v8::Debug::GetDebugContext();