1 files changed, 6 insertions, 1 deletions
diff --git a/Source/WebKit2/WebProcess/WebPage/atk/WebPageAccessibilityObjectAtk.cpp b/Source/WebKit2/WebProcess/WebPage/atk/WebPageAccessibilityObjectAtk.cpp
index 577a9671c..421fb8ddd 100644
--- a/Source/WebKit2/WebProcess/WebPage/atk/WebPageAccessibilityObjectAtk.cpp
+++ b/Source/WebKit2/WebProcess/WebPage/atk/WebPageAccessibilityObjectAtk.cpp
@@ -30,6 +30,7 @@
 
 #include "WebPage.h"
 #include <WebCore/AXObjectCache.h>
+#include <WebCore/Document.h>
 #include <WebCore/MainFrame.h>
 #include <WebCore/Page.h>
 
@@ -55,7 +56,11 @@ static AtkObject* accessibilityRootObjectWrapper(AtkObject* atkObject)
     if (!coreFrame.document())
         return 0;
 
-    AccessibilityObject* coreRootObject = coreFrame.document()->axObjectCache()->rootObject();
+    AXObjectCache* cache = coreFrame.document()->axObjectCache();
+    if (!cache)
+        return nullptr;
+
+    AccessibilityObject* coreRootObject = cache->rootObject();
     if (!coreRootObject)
         return 0;