diff --git a/Tests/LibWeb/Text/expected/DOM/domparser-parsefromstring-xml-empty-systemid.txt b/Tests/LibWeb/Text/expected/DOM/domparser-parsefromstring-xml-empty-systemid.txt
new file mode 100644
index 00000000000..53cdf1e9393
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/DOM/domparser-parsefromstring-xml-empty-systemid.txt
@@ -0,0 +1 @@
+PASSED
diff --git a/Tests/LibWeb/Text/input/DOM/domparser-parsefromstring-xml-empty-systemid.html b/Tests/LibWeb/Text/input/DOM/domparser-parsefromstring-xml-empty-systemid.html
new file mode 100644
index 00000000000..84aa9544d03
--- /dev/null
+++ b/Tests/LibWeb/Text/input/DOM/domparser-parsefromstring-xml-empty-systemid.html
@@ -0,0 +1,9 @@
+<script src="../include.js"></script>
+<script>
+    test(() => {
+        var doc = new DOMParser().parseFromString('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" ""><html><div id="test"/></html>', 'application/xhtml+xml');
+        if (doc.getElementById('test')) {
+            println('PASSED');
+        }
+    });
+</script>
diff --git a/Userland/Libraries/LibXML/Parser/Parser.cpp b/Userland/Libraries/LibXML/Parser/Parser.cpp
index cd1ea593898..62a40905747 100644
--- a/Userland/Libraries/LibXML/Parser/Parser.cpp
+++ b/Userland/Libraries/LibXML/Parser/Parser.cpp
@@ -259,7 +259,7 @@ requires(IsCallableWithArguments<Pred, bool, char>) ErrorOr<StringView, ParseErr
 }
 
 template<typename Pred>
-requires(IsCallableWithArguments<Pred, bool, char>) ErrorOr<StringView, ParseError> Parser::expect_many(Pred predicate, StringView description)
+requires(IsCallableWithArguments<Pred, bool, char>) ErrorOr<StringView, ParseError> Parser::expect_many(Pred predicate, StringView description, bool allow_empty)
 {
     auto rollback = rollback_point();
     auto start = m_lexer.tell();
@@ -269,7 +269,7 @@ requires(IsCallableWithArguments<Pred, bool, char>) ErrorOr<StringView, ParseErr
         m_lexer.ignore();
     }
 
-    if (m_lexer.tell() == start) {
+    if (m_lexer.tell() == start && !allow_empty) {
         if (m_options.treat_errors_as_fatal) {
             return parse_error(m_lexer.current_position(), Expectation { description });
         }
@@ -1561,7 +1561,7 @@ ErrorOr<StringView, ParseError> Parser::parse_system_id_literal()
     auto quote = TRY(expect(is_any_of("'\""sv), "any of ' or \""sv));
     auto accept = accept_rule();
 
-    auto id = TRY(expect_many(is_not_any_of(quote), "not a quote"sv));
+    auto id = TRY(expect_many(is_not_any_of(quote), "not a quote"sv, true));
     TRY(expect(quote));
 
     rollback.disarm();
diff --git a/Userland/Libraries/LibXML/Parser/Parser.h b/Userland/Libraries/LibXML/Parser/Parser.h
index bc60c9046a2..a6db08f6481 100644
--- a/Userland/Libraries/LibXML/Parser/Parser.h
+++ b/Userland/Libraries/LibXML/Parser/Parser.h
@@ -146,7 +146,7 @@ private:
     template<typename Pred>
     requires(IsCallableWithArguments<Pred, bool, char>) ErrorOr<StringView, ParseError> expect(Pred, StringView description);
     template<typename Pred>
-    requires(IsCallableWithArguments<Pred, bool, char>) ErrorOr<StringView, ParseError> expect_many(Pred, StringView description);
+    requires(IsCallableWithArguments<Pred, bool, char>) ErrorOr<StringView, ParseError> expect_many(Pred, StringView description, bool allow_empty = false);
 
     static size_t s_debug_indent_level;
     [[nodiscard]] auto rollback_point(SourceLocation location = SourceLocation::current())
