diff --git a/Base/usr/share/man/man1/su.md b/Base/usr/share/man/man1/su.md
index f55f46821b..3cf14efe4f 100644
--- a/Base/usr/share/man/man1/su.md
+++ b/Base/usr/share/man/man1/su.md
@@ -5,7 +5,7 @@ su - switch to another user
 ## Synopsis
 
 ```sh
-$ su <user>
+$ su [-] <user>
 ```
 
 ## Description
@@ -14,6 +14,10 @@ $ su <user>
 
 When called with no user-specified, `su` defaults to switch to the *root* user. Need to enter the password if the user switch to has one.
 
+## Options:
+
+* `-`, `-l`, `--login`: Start the shell as it was a real login
+
 ## Arguments
 
 * `user`: User to switch to (defaults to the user with UID 0)
diff --git a/Userland/Utilities/su.cpp b/Userland/Utilities/su.cpp
index b39a415fec..ba1ffadb0e 100644
--- a/Userland/Utilities/su.cpp
+++ b/Userland/Utilities/su.cpp
@@ -5,13 +5,11 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <AK/ScopeGuard.h>
 #include <LibCore/Account.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/GetPassword.h>
 #include <LibCore/System.h>
 #include <LibMain/Main.h>
-#include <stdio.h>
 #include <unistd.h>
 
 ErrorOr<int> serenity_main(Main::Arguments arguments)
@@ -21,18 +19,29 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     if (!TRY(Core::System::isatty(STDIN_FILENO)))
         return Error::from_string_literal("Standard input is not a terminal");
 
-    StringView user;
+    StringView first_positional;
+    StringView second_positional;
+    bool simulate_login = false;
 
     Core::ArgsParser args_parser;
-    args_parser.add_positional_argument(user, "User to switch to (defaults to user with UID 0)", "user", Core::ArgsParser::Required::No);
+    args_parser.add_positional_argument(first_positional, "See --login", "-", Core::ArgsParser::Required::No);
+    args_parser.add_positional_argument(second_positional, "User to switch to (defaults to user with UID 0)", "user", Core::ArgsParser::Required::No);
+    args_parser.add_option(simulate_login, "Simulate login", "login", 'l');
     args_parser.parse(arguments);
 
+    StringView user = first_positional;
+
+    if (first_positional == '-') {
+        simulate_login = true;
+        user = second_positional;
+    }
+
     if (geteuid() != 0)
         return Error::from_string_literal("Not running as root :(");
 
     auto account = TRY(user.is_empty() ? Core::Account::from_uid(0) : Core::Account::from_name(user));
 
-    TRY(Core::System::pledge("stdio tty exec id"));
+    TRY(Core::System::pledge("stdio rpath tty exec id"));
 
     if (getuid() != 0 && account.has_password()) {
         auto password = TRY(Core::get_password());
@@ -40,13 +49,16 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
             return Error::from_string_literal("Incorrect or disabled password.");
     }
 
-    TRY(Core::System::pledge("stdio exec id"));
+    TRY(Core::System::pledge("stdio rpath exec id"));
 
     if (!account.login()) {
         perror("Core::Account::login");
         return 1;
     }
 
+    if (simulate_login)
+        TRY(Core::System::chdir(account.home_directory()));
+
     TRY(Core::System::pledge("stdio exec"));
 
     TRY(Core::System::setenv("HOME"sv, account.home_directory(), true));