diff --git a/Tests/LibWeb/Layout/expected/css-namespace-tag-name-selector.txt b/Tests/LibWeb/Layout/expected/css-namespace-tag-name-selector.txt
index fdc2ae6842..1665c2df26 100644
--- a/Tests/LibWeb/Layout/expected/css-namespace-tag-name-selector.txt
+++ b/Tests/LibWeb/Layout/expected/css-namespace-tag-name-selector.txt
@@ -5,14 +5,14 @@ Viewport <#document> at (0,0) content-size 800x600 children: not-inline
         frag 0 from SVGSVGBox start: 0, length: 0, rect: [9,9 300x150] baseline: 152
         frag 1 from TextNode start: 0, length: 1, rect: [310,146 8x17] baseline: 13.296875
             " "
-        frag 2 from Box start: 0, length: 0, rect: [319,51 0x108] baseline: 110
+        frag 2 from BlockContainer start: 0, length: 0, rect: [319,51 0x108] baseline: 110
         SVGSVGBox <svg> at (9,9) content-size 300x150 [SVG] children: inline
           InlineNode <a>
             SVGTextBox <text> at (29,25.015625) content-size 193.59375x67.578125 children: inline
               TextNode <#text>
         TextNode <#text>
-        Box <math> at (319,51) content-size 0x108 children: not-inline
-          Box <a> at (8,8) content-size 100x100 children: inline
+        BlockContainer <math> at (319,51) content-size 0x108 children: not-inline
+          BlockContainer <a> at (319,51) content-size 100x100 children: inline
             TextNode <#text>
         TextNode <#text>
       BlockContainer <div> at (9,164) content-size 782x44 children: inline
@@ -29,8 +29,8 @@ ViewportPaintable (Viewport<#document>) [0,0 800x600]
       PaintableWithLines (BlockContainer(anonymous)) [8,8 784x155]
         SVGSVGPaintable (SVGSVGBox<svg>) [8,8 302x152]
         TextPaintable (TextNode<#text>)
-        PaintableBox (Box<math>) [318,50 2x110] overflow: [8,8 100x100]
-          PaintableBox (Box<a>) [8,8 100x100]
+        PaintableWithLines (BlockContainer<math>) [318,50 2x110] overflow: [319,51 100x100]
+          PaintableWithLines (BlockContainer<a>) [319,51 100x100]
       PaintableWithLines (BlockContainer<DIV>) [8,163 784x46]
         InlinePaintable (InlineNode<A>)
           TextPaintable (TextNode<#text>)
diff --git a/Userland/Libraries/LibWeb/DOM/Element.cpp b/Userland/Libraries/LibWeb/DOM/Element.cpp
index 35c9302409..6995481d18 100644
--- a/Userland/Libraries/LibWeb/DOM/Element.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Element.cpp
@@ -417,7 +417,7 @@ JS::GCPtr<Layout::Node> Element::create_layout_node_for_display_type(DOM::Docume
         // MathML elements with a computed display value equal to block math or inline math control box generation
         // and layout according to their tag name, as described in the relevant sections.
         // FIXME: Figure out what kind of node we should make for them. For now, we'll stick with a generic Box.
-        return document.heap().allocate_without_realm<Layout::Box>(document, element, move(style));
+        return document.heap().allocate_without_realm<Layout::BlockContainer>(document, element, move(style));
     }
 
     if (display.is_inline_outside()) {