diff --git a/Tests/LibWeb/Text/expected/css/constructed-style-sheets.txt b/Tests/LibWeb/Text/expected/css/constructed-style-sheets.txt
new file mode 100644
index 00000000000..9359dbb8690
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/css/constructed-style-sheets.txt
@@ -0,0 +1 @@
+Disabled constructed style sheet applies to document: false
diff --git a/Tests/LibWeb/Text/input/css/constructed-style-sheets.html b/Tests/LibWeb/Text/input/css/constructed-style-sheets.html
new file mode 100644
index 00000000000..64de3f5f029
--- /dev/null
+++ b/Tests/LibWeb/Text/input/css/constructed-style-sheets.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<script src="../include.js"></script>
+<script>
+    test(() => {
+        function constructedStyleSheetAppliesToDocument(options) {
+            const textDiv = document.createElement("div");
+            document.body.appendChild(textDiv);
+            const sheet = new CSSStyleSheet(options);
+            const newColor = "rgb(0, 128, 0)";
+            sheet.replaceSync(`div { color: ${newColor}; }`);
+            document.adoptedStyleSheets = [sheet];
+            const styleSheetAppliedToDocument = getComputedStyle(textDiv).color === newColor;
+            document.body.removeChild(textDiv);
+            document.adoptedStyleSheets = [];
+            return styleSheetAppliedToDocument;
+        }
+
+        println(`Disabled constructed style sheet applies to document: ${constructedStyleSheetAppliesToDocument({ disabled: true })}`);
+    });
+</script>
diff --git a/Userland/Libraries/LibWeb/DOM/Document.cpp b/Userland/Libraries/LibWeb/DOM/Document.cpp
index 9e065b17b52..80528f74948 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Document.cpp
@@ -4904,7 +4904,7 @@ void Document::for_each_css_style_sheet(Function<void(CSS::CSSStyleSheet&)>&& ca
 
     if (m_adopted_style_sheets) {
         m_adopted_style_sheets->for_each<CSS::CSSStyleSheet>([&](auto& style_sheet) {
-            if (!(style_sheet.is_alternate() && style_sheet.disabled()))
+            if (!style_sheet.disabled())
                 callback(style_sheet);
         });
     }
