diff --git a/Userland/Utilities/CMakeLists.txt b/Userland/Utilities/CMakeLists.txt
index b28287470b..835d10cb07 100644
--- a/Userland/Utilities/CMakeLists.txt
+++ b/Userland/Utilities/CMakeLists.txt
@@ -194,7 +194,7 @@ target_link_libraries(tac LibMain)
 target_link_libraries(tail LibMain)
 target_link_libraries(tar LibMain LibArchive LibCompress)
 target_link_libraries(tee LibMain)
-target_link_libraries(telws LibProtocol LibLine)
+target_link_libraries(telws LibProtocol LibLine LibMain)
 target_link_libraries(test-fuzz LibCore LibGemini LibGfx LibHTTP LibIPC LibJS LibMarkdown LibShell)
 target_link_libraries(test-imap LibIMAP LibMain)
 target_link_libraries(test-pthread LibThreading)
diff --git a/Userland/Utilities/telws.cpp b/Userland/Utilities/telws.cpp
index 7d70d6f68b..23122dad2b 100644
--- a/Userland/Utilities/telws.cpp
+++ b/Userland/Utilities/telws.cpp
@@ -9,18 +9,15 @@
 #include <AK/URL.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/EventLoop.h>
-#include <LibCore/File.h>
-#include <LibCore/Notifier.h>
+#include <LibCore/System.h>
 #include <LibLine/Editor.h>
+#include <LibMain/Main.h>
 #include <LibProtocol/WebSocket.h>
 #include <LibProtocol/WebSocketClient.h>
 
-int main(int argc, char** argv)
+ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
-    if (pledge("stdio unix inet accept rpath wpath cpath fattr tty sigaction", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
+    TRY(Core::System::pledge("stdio unix inet accept rpath wpath cpath fattr tty sigaction"));
 
     Core::ArgsParser args_parser;
 
@@ -30,7 +27,7 @@ int main(int argc, char** argv)
     args_parser.add_positional_argument(url_string, "URL to connect to", "url", Core::ArgsParser::Required::Yes);
     args_parser.add_option(origin, "URL to use as origin", "origin", 'o', "origin");
 
-    args_parser.parse(argc, argv);
+    args_parser.parse(arguments);
 
     URL url(url_string);
 
@@ -44,6 +41,7 @@ int main(int argc, char** argv)
     auto maybe_websocket_client = Protocol::WebSocketClient::try_create();
     if (maybe_websocket_client.is_error()) {
         warnln("Failed to connect to the websocket server: {}\n", maybe_websocket_client.error());
+        return maybe_websocket_client.release_error();
     }
     auto websocket_client = maybe_websocket_client.release_value();
 
@@ -76,15 +74,9 @@ int main(int argc, char** argv)
         Core::EventLoop::current().quit(0);
     };
 
-    if (pledge("stdio unix inet accept rpath wpath tty sigaction", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
+    TRY(Core::System::pledge("stdio unix inet accept rpath wpath tty sigaction"));
 
-    if (unveil(nullptr, nullptr) < 0) {
-        perror("unveil");
-        return 1;
-    }
+    TRY(Core::System::unveil(nullptr, nullptr));
 
     outln("Started server. Commands :");
     outln("- '<text>' send the text as message");