diff --git a/Services/SystemMenu/main.cpp b/Services/SystemMenu/main.cpp
index 8a6ad8aa754..05e0eed0f2b 100644
--- a/Services/SystemMenu/main.cpp
+++ b/Services/SystemMenu/main.cpp
@@ -215,7 +215,12 @@ NonnullRefPtr<GUI::Menu> build_system_menu()
     system_menu->add_action(GUI::Action::create("About...", Gfx::Bitmap::load_from_file("/res/icons/16x16/ladybug.png"), [](auto&) {
         pid_t child_pid;
         const char* argv[] = { "/bin/About", nullptr };
-        posix_spawn(&child_pid, "/bin/About", nullptr, nullptr, const_cast<char**>(argv), environ);
+        if ((errno = posix_spawn(&child_pid, "/bin/About", nullptr, nullptr, const_cast<char**>(argv), environ))) {
+            perror("posix_spawn");
+        } else {
+            if (disown(child_pid) < 0)
+                perror("disown");
+        }
     }));
     system_menu->add_separator();
     system_menu->add_action(GUI::Action::create("Exit...", Gfx::Bitmap::load_from_file("/res/icons/16x16/power.png"), [](auto&) {
@@ -225,7 +230,12 @@ NonnullRefPtr<GUI::Menu> build_system_menu()
             return;
 
         pid_t child_pid;
-        posix_spawn(&child_pid, command[0], nullptr, nullptr, const_cast<char**>(command.data()), environ);
+        if ((errno = posix_spawn(&child_pid, command[0], nullptr, nullptr, const_cast<char**>(command.data()), environ))) {
+            perror("posix_spawn");
+        } else {
+            if (disown(child_pid) < 0)
+                perror("disown");
+        }
     }));
 
     return system_menu;