diff --git a/Userland/Utilities/CMakeLists.txt b/Userland/Utilities/CMakeLists.txt
index 69110b3aa4..fae2e0e71e 100644
--- a/Userland/Utilities/CMakeLists.txt
+++ b/Userland/Utilities/CMakeLists.txt
@@ -169,6 +169,7 @@ target_link_libraries(test-pthread LibThreading)
 target_link_libraries(timezone LibMain)
 target_link_libraries(top LibMain)
 target_link_libraries(touch LibMain)
+target_link_libraries(tree LibMain)
 target_link_libraries(truncate LibMain)
 target_link_libraries(tt LibPthread)
 target_link_libraries(umount LibMain)
diff --git a/Userland/Utilities/tree.cpp b/Userland/Utilities/tree.cpp
index e31522b2a2..12f4ea8744 100644
--- a/Userland/Utilities/tree.cpp
+++ b/Userland/Utilities/tree.cpp
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2020, Stijn De Ridder <stijn.deridder@hotmail.com>
+ * Copyright (c) 2022, the SerenityOS developers.
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -11,6 +12,8 @@
 #include <AK/Vector.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/DirIterator.h>
+#include <LibCore/System.h>
+#include <LibMain/Main.h>
 #include <errno.h>
 #include <limits.h>
 #include <stdio.h>
@@ -99,12 +102,9 @@ static void print_directory_tree(const String& root_path, int depth, const Strin
     }
 }
 
-int main(int argc, char** argv)
+ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
-    if (pledge("stdio rpath tty", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
+    TRY(Core::System::pledge("stdio rpath tty"));
 
     Vector<const char*> directories;
 
@@ -113,10 +113,10 @@ int main(int argc, char** argv)
     args_parser.add_option(flag_show_only_directories, "Show only directories", "only-directories", 'd');
     args_parser.add_option(max_depth, "Maximum depth of the tree", "maximum-depth", 'L', "level");
     args_parser.add_positional_argument(directories, "Directories to print", "directories", Core::ArgsParser::Required::No);
-    args_parser.parse(argc, argv);
+    args_parser.parse(arguments);
 
     if (max_depth < 1) {
-        warnln("{}: Invalid level, must be greater than 0.", argv[0]);
+        warnln("{}: Invalid level, must be greater than 0.", arguments.argv[0]);
         return 1;
     }