--- a/layout/generic/nsFrame.cpp
+++ b/layout/generic/nsFrame.cpp
@@ -2540,16 +2540,23 @@ static bool FrameParticipatesIn3DContext
 
   MOZ_ASSERT(frame == ancestor);
   return true;
 }
 
 static bool ItemParticipatesIn3DContext(nsIFrame* aAncestor,
                                         nsDisplayItem* aItem) {
   auto type = aItem->GetType();
+
+  if (type == DisplayItemType::TYPE_WRAP_LIST &&
+      aItem->GetChildren()->Count() == 1) {
+    // If the wraplist has only one child item, use the type of that item.
+    type = aItem->GetChildren()->GetBottom()->GetType();
+  }
+
   if (type != DisplayItemType::TYPE_TRANSFORM &&
       type != DisplayItemType::TYPE_PERSPECTIVE) {
     return false;
   }
   nsIFrame* transformFrame = aItem->Frame();
   if (aAncestor->GetContent() == transformFrame->GetContent()) {
     return true;
   }