diff --git a/Userland/Applications/3DFileViewer/main.cpp b/Userland/Applications/3DFileViewer/main.cpp
index 11e5040157..f1e0f83ac0 100644
--- a/Userland/Applications/3DFileViewer/main.cpp
+++ b/Userland/Applications/3DFileViewer/main.cpp
@@ -350,7 +350,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
     auto app = TRY(GUI::Application::try_create(arguments));
 
-    TRY(Core::System::pledge("stdio thread recvfd sendfd rpath unix prot_exec"));
+    TRY(Core::System::pledge("stdio thread recvfd sendfd rpath unix prot_exec map_fixed"));
 
     TRY(Core::System::unveil("/tmp/session/%sid/portal/filesystemaccess", "rw"));
     TRY(Core::System::unveil("/res", "r"));
diff --git a/Userland/Demos/Tubes/main.cpp b/Userland/Demos/Tubes/main.cpp
index b77862305f..d316b2d732 100644
--- a/Userland/Demos/Tubes/main.cpp
+++ b/Userland/Demos/Tubes/main.cpp
@@ -14,7 +14,7 @@
 
 ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
-    TRY(Core::System::pledge("stdio recvfd sendfd rpath unix prot_exec"));
+    TRY(Core::System::pledge("stdio recvfd sendfd rpath unix prot_exec map_fixed"));
 
     unsigned refresh_rate = 12;
 
@@ -25,7 +25,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     auto app = TRY(GUI::Application::try_create(arguments));
 
-    TRY(Core::System::pledge("stdio recvfd sendfd rpath prot_exec"));
+    TRY(Core::System::pledge("stdio recvfd sendfd rpath prot_exec map_fixed"));
 
     auto window = TRY(Desktop::Screensaver::create_window("Tubes"sv, "app-tubes"sv));
     window->update();