diff --git a/Userland/Applications/SpaceAnalyzer/CMakeLists.txt b/Userland/Applications/SpaceAnalyzer/CMakeLists.txt
index 7b99dff2a8..f6115ea965 100644
--- a/Userland/Applications/SpaceAnalyzer/CMakeLists.txt
+++ b/Userland/Applications/SpaceAnalyzer/CMakeLists.txt
@@ -12,4 +12,4 @@ set(SOURCES
 )
 
 serenity_app(SpaceAnalyzer ICON app-space-analyzer)
-target_link_libraries(SpaceAnalyzer LibDesktop LibGfx LibGUI)
+target_link_libraries(SpaceAnalyzer LibDesktop LibGfx LibGUI LibMain)
diff --git a/Userland/Applications/SpaceAnalyzer/main.cpp b/Userland/Applications/SpaceAnalyzer/main.cpp
index d1b7297698..29f2f9d764 100644
--- a/Userland/Applications/SpaceAnalyzer/main.cpp
+++ b/Userland/Applications/SpaceAnalyzer/main.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, the SerenityOS developers.
+ * Copyright (c) 2021-2022, the SerenityOS developers.
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -24,6 +24,7 @@
 #include <LibGUI/Menubar.h>
 #include <LibGUI/MessageBox.h>
 #include <LibGUI/Statusbar.h>
+#include <LibMain/Main.h>
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <unistd.h>
@@ -298,9 +299,9 @@ static String get_absolute_path_to_selected_node(const SpaceAnalyzer::TreeMapWid
     return path_builder.build();
 }
 
-int main(int argc, char* argv[])
+ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
-    auto app = GUI::Application::construct(argc, argv);
+    auto app = GUI::Application::construct(arguments);
 
     RefPtr<Tree> tree = adopt_ref(*new Tree(""));