diff --git a/Userland/Libraries/LibJS/Runtime/GlobalObject.cpp b/Userland/Libraries/LibJS/Runtime/GlobalObject.cpp
index e7e0ac9b00e..6c2bc8d31a4 100644
--- a/Userland/Libraries/LibJS/Runtime/GlobalObject.cpp
+++ b/Userland/Libraries/LibJS/Runtime/GlobalObject.cpp
@@ -316,10 +316,10 @@ Value GlobalObject::get_this_binding(GlobalObject&) const
 
 JS_DEFINE_NATIVE_FUNCTION(GlobalObject::eval)
 {
-    auto code = vm.argument(0).to_string(global_object);
-    if (code.is_null())
-        return {};
-    JS::Parser parser { JS::Lexer { code } };
+    if (!vm.argument(0).is_string())
+        return vm.argument(0);
+    auto& code_string = vm.argument(0).as_string();
+    JS::Parser parser { JS::Lexer { code_string.string() } };
     auto program = parser.parse_program();
 
     if (parser.has_errors()) {
diff --git a/Userland/Libraries/LibJS/Tests/eval-basic.js b/Userland/Libraries/LibJS/Tests/eval-basic.js
index e3f8a8cb5ef..b1853b5ac83 100644
--- a/Userland/Libraries/LibJS/Tests/eval-basic.js
+++ b/Userland/Libraries/LibJS/Tests/eval-basic.js
@@ -24,3 +24,8 @@ test("syntax error", () => {
         "Unexpected token Eof. Expected CurlyClose (line: 1, column: 2)"
     );
 });
+
+test("returns 1st argument unless 1st argument is a string", () => {
+    var string_object = new String("1 + 2");
+    expect(string_object).toBe(string_object);
+});