diff --git a/Libraries/LibWeb/Layout/BlockBox.cpp b/Libraries/LibWeb/Layout/BlockBox.cpp
index 39b95277b0..121ff9a8e2 100644
--- a/Libraries/LibWeb/Layout/BlockBox.cpp
+++ b/Libraries/LibWeb/Layout/BlockBox.cpp
@@ -115,10 +115,10 @@ void BlockBox::split_into_lines(InlineFormattingContext& context, LayoutMode lay
 
     float available_width = context.available_width_at_line(containing_block.line_boxes().size() - 1);
 
-    if (layout_mode != LayoutMode::OnlyRequiredLineBreaks && line_box->width() > 0 && line_box->width() + width() > available_width) {
+    if (layout_mode != LayoutMode::OnlyRequiredLineBreaks && line_box->width() > 0 && line_box->width() + border_box_width() > available_width) {
         line_box = &containing_block.add_line_box();
     }
-    line_box->add_fragment(*this, 0, 0, width(), height());
+    line_box->add_fragment(*this, 0, 0, border_box_width(), height());
 }
 
 }