diff --git a/LayoutTests/platform/mac-wk1/TestExpectations b/LayoutTests/platform/mac-wk1/TestExpectations
index b708db6..d1dee4e 100644
--- a/LayoutTests/platform/mac-wk1/TestExpectations
+++ b/LayoutTests/platform/mac-wk1/TestExpectations
@@ -1852,5 +1852,3 @@
 webkit.org/b/241266 compositing/video/video-border-radius.html [ Pass Timeout ]
 
 webkit.org/b/241376 imported/w3c/web-platform-tests/css/css-sizing/aspect-ratio/replaced-element-035.html [ Pass ImageOnlyFailure ]
-
-webkit.org/b/241879 fast/replaced/encrypted-pdf-as-object-and-embed.html [ Pass Crash ]
diff --git a/Source/WebCore/style/StyleScope.cpp b/Source/WebCore/style/StyleScope.cpp
index bb1b41d..645b3b8 100644
--- a/Source/WebCore/style/StyleScope.cpp
+++ b/Source/WebCore/style/StyleScope.cpp
@@ -794,7 +794,9 @@
 bool Scope::updateQueryContainerState(QueryContainerUpdateContext& context)
 {
     ASSERT(!m_shadowRoot);
-    ASSERT(m_document.renderView());
+
+    if (!m_document.renderView())
+        return false;
 
     auto previousStates = WTFMove(m_queryContainerStates);
     m_queryContainerStates.clear();