diff --git a/Libraries/LibWeb/Editing/Internal/Algorithms.cpp b/Libraries/LibWeb/Editing/Internal/Algorithms.cpp
index 278b6c0a91b..48abcb2d721 100644
--- a/Libraries/LibWeb/Editing/Internal/Algorithms.cpp
+++ b/Libraries/LibWeb/Editing/Internal/Algorithms.cpp
@@ -1981,15 +1981,10 @@ bool is_collapsed_line_break(GC::Ref<DOM::Node> node)
         return false;
 
     // that begins a line box which has nothing else in it, and therefore has zero height.
-    auto layout_node = node->layout_node();
-    if (!layout_node)
-        return false;
-    VERIFY(is<Layout::BreakNode>(*layout_node));
-
-    // NOTE: We do not generate a TextNode for empty text after the break, so if we do not have a sibling or if that
-    //       sibling is not a TextNode, we consider it a collapsed line break.
-    auto* next_layout_node = layout_node->next_sibling();
-    return !is<Layout::TextNode>(next_layout_node);
+    // NOTE: We check this on the DOM-level by seeing if the next node is neither a non-empty text node nor a <br>.
+    if (auto text_node = as_if<DOM::Text>(node->next_sibling()))
+        return text_node->text_content().value_or({}).is_empty();
+    return !is<HTML::HTMLBRElement>(node->next_sibling());
 }
 
 // https://w3c.github.io/editing/docs/execCommand/#collapsed-whitespace-node
diff --git a/Tests/LibWeb/Text/expected/Editing/execCommand-insertLinebreak.txt b/Tests/LibWeb/Text/expected/Editing/execCommand-insertLinebreak.txt
index 1ec240902d4..c0d5e6103ff 100644
--- a/Tests/LibWeb/Text/expected/Editing/execCommand-insertLinebreak.txt
+++ b/Tests/LibWeb/Text/expected/Editing/execCommand-insertLinebreak.txt
@@ -7,3 +7,5 @@ Before: "<p style="white-space: pre">foobar</p>"
 After: "<p style="white-space: pre">foobar
 
 </p>"
+Before: "foo"
+After: "foo<br><br>"
diff --git a/Tests/LibWeb/Text/input/Editing/execCommand-insertLinebreak.html b/Tests/LibWeb/Text/input/Editing/execCommand-insertLinebreak.html
index 398f1abbee1..4b4578870f8 100644
--- a/Tests/LibWeb/Text/input/Editing/execCommand-insertLinebreak.html
+++ b/Tests/LibWeb/Text/input/Editing/execCommand-insertLinebreak.html
@@ -3,11 +3,13 @@
 <div id="a" contenteditable>foobar</div>
 <div id="b" contenteditable><p style="white-space: pre">foobar</p></div>
 <div id="c" contenteditable><p style="white-space: pre">foobar</p></div>
+<div id="d" contenteditable>foo</div>
 <script>
     test(() => {
         let divA = document.querySelector('div#a');
         let divB = document.querySelector('div#b');
         let divC = document.querySelector('div#c');
+        let divD = document.querySelector('div#d');
 
         document.body.offsetWidth // Force a layout
 
@@ -37,5 +39,14 @@
         document.execCommand('insertLinebreak');
         println(`After: "${divC.innerHTML}"`);
         getSelection().empty();
+
+        // D: Insert linebreak after 'foo'
+        println(`Before: "${divD.innerHTML}"`);
+        var range = document.createRange();
+        range.setStart(divD.firstChild, 3);
+        getSelection().addRange(range);
+        document.execCommand('insertLinebreak');
+        println(`After: "${divD.innerHTML}"`);
+        getSelection().empty();
     });
 </script>