3 files changed, 5 insertions, 4 deletions
diff --git a/Userland/Libraries/LibJS/Lexer.cpp b/Userland/Libraries/LibJS/Lexer.cpp
index 366fe8948c..141c0db911 100644
--- a/Userland/Libraries/LibJS/Lexer.cpp
+++ b/Userland/Libraries/LibJS/Lexer.cpp
@@ -24,7 +24,7 @@ HashMap<char, TokenType> Lexer::s_single_char_tokens;
 Lexer::Lexer(StringView source, StringView filename, size_t line_number, size_t line_column)
     : m_source(source)
     , m_current_token(TokenType::Eof, {}, {}, {}, filename, 0, 0, 0)
-    , m_filename(filename)
+    , m_filename(String::from_utf8(filename).release_value_but_fixme_should_propagate_errors())
     , m_line_number(line_number)
     , m_line_column(line_column)
     , m_parsed_identifiers(adopt_ref(*new ParsedIdentifiers))
diff --git a/Userland/Libraries/LibJS/Lexer.h b/Userland/Libraries/LibJS/Lexer.h
index 889c78a5ff..dfce81c795 100644
--- a/Userland/Libraries/LibJS/Lexer.h
+++ b/Userland/Libraries/LibJS/Lexer.h
@@ -10,6 +10,7 @@
 
 #include <AK/DeprecatedString.h>
 #include <AK/HashMap.h>
+#include <AK/String.h>
 #include <AK/StringView.h>
 
 namespace JS {
@@ -21,7 +22,7 @@ public:
     Token next();
 
     DeprecatedString const& source() const { return m_source; };
-    DeprecatedString const& filename() const { return m_filename; };
+    String const& filename() const { return m_filename; };
 
     void disallow_html_comments() { m_allow_html_comments = false; };
 
@@ -63,7 +64,7 @@ private:
     char m_current_char { 0 };
     bool m_eof { false };
 
-    DeprecatedString m_filename;
+    String m_filename;
     size_t m_line_number { 1 };
     size_t m_line_column { 0 };
 
diff --git a/Userland/Libraries/LibJS/Parser.cpp b/Userland/Libraries/LibJS/Parser.cpp
index 25ceaf4f1f..2a9c0c4b75 100644
--- a/Userland/Libraries/LibJS/Parser.cpp
+++ b/Userland/Libraries/LibJS/Parser.cpp
@@ -409,7 +409,7 @@ Parser::ParserState::ParserState(Lexer l, Program::Type program_type)
 }
 
 Parser::Parser(Lexer lexer, Program::Type program_type, Optional<EvalInitialState> initial_state_for_eval)
-    : m_source_code(SourceCode::create(String::from_deprecated_string(lexer.filename()).release_value_but_fixme_should_propagate_errors(), String::from_deprecated_string(lexer.source()).release_value_but_fixme_should_propagate_errors()))
+    : m_source_code(SourceCode::create(lexer.filename(), String::from_deprecated_string(lexer.source()).release_value_but_fixme_should_propagate_errors()))
     , m_state(move(lexer), program_type)
     , m_program_type(program_type)
 {