diff --git a/src/cascadia/TerminalApp/AppLogic.cpp b/src/cascadia/TerminalApp/AppLogic.cpp
index a31246a031c..fb39ebf72fd 100644
--- a/src/cascadia/TerminalApp/AppLogic.cpp
+++ b/src/cascadia/TerminalApp/AppLogic.cpp
@@ -597,11 +597,11 @@ namespace winrt::TerminalApp::implementation
                 // use as a title though!
                 //
                 // First, check the reserved keywords:
-                if (parsedTarget == "new")
+                if (parsedTarget == NewWindow)
                 {
                     return winrt::make<FindTargetWindowResult>(WindowingBehaviorUseNew);
                 }
-                else if (parsedTarget == "last")
+                else if (parsedTarget == MostRecentlyUsedWindow)
                 {
                     return winrt::make<FindTargetWindowResult>(WindowingBehaviorUseExisting);
                 }
diff --git a/src/cascadia/TerminalApp/TerminalPage.cpp b/src/cascadia/TerminalApp/TerminalPage.cpp
index 876aad78aeb..bc55b11a88f 100644
--- a/src/cascadia/TerminalApp/TerminalPage.cpp
+++ b/src/cascadia/TerminalApp/TerminalPage.cpp
@@ -2114,6 +2114,11 @@ namespace winrt::TerminalApp::implementation
 
     bool TerminalPage::_MoveTab(winrt::com_ptr<TerminalTab> tab, MoveTabArgs args)
     {
+        if (!tab)
+        {
+            return false;
+        }
+
         // If there was a windowId in the action, try to move it to the
         // specified window instead of moving it in our tab row.
         const auto windowId{ args.Window() };
@@ -2142,8 +2147,7 @@ namespace winrt::TerminalApp::implementation
             // Use the requested tab, if provided. Otherwise, use the currently
             // focused tab.
             const auto tabIndex = til::coalesce(_GetTabIndex(*tab),
-                                                _GetFocusedTabIndex(),
-                                                std::optional<uint32_t>{ std::nullopt });
+                                                _GetFocusedTabIndex());
             if (tabIndex)
             {
                 const auto currentTabIndex = tabIndex.value();
diff --git a/src/cascadia/TerminalApp/TerminalTab.cpp b/src/cascadia/TerminalApp/TerminalTab.cpp
index bb9df023c8d..1b881029b56 100644
--- a/src/cascadia/TerminalApp/TerminalTab.cpp
+++ b/src/cascadia/TerminalApp/TerminalTab.cpp
@@ -9,6 +9,7 @@
 #include "Utils.h"
 #include "ColorHelper.h"
 #include "AppLogic.h"
+#include "../inc/WindowingBehavior.h"
 
 using namespace winrt;
 using namespace winrt::Windows::UI::Xaml;
@@ -1844,10 +1845,8 @@ namespace winrt::TerminalApp::implementation
     void TerminalTab::_moveTabToNewWindowClicked(const winrt::Windows::Foundation::IInspectable& /* sender */,
                                                  const winrt::Windows::UI::Xaml::RoutedEventArgs& /* args */)
     {
-        ActionAndArgs actionAndArgs{};
-        MoveTabArgs args{ hstring{ L"new" }, MoveTabDirection::Forward };
-        actionAndArgs.Action(ShortcutAction::MoveTab);
-        actionAndArgs.Args(args);
+        MoveTabArgs args{ winrt::to_hstring(NewWindow), MoveTabDirection::Forward };
+        ActionAndArgs actionAndArgs{ ShortcutAction::MoveTab, args };
         _dispatch.DoAction(*this, actionAndArgs);
     }
     void TerminalTab::_findClicked(const winrt::Windows::Foundation::IInspectable& /* sender */,
diff --git a/src/cascadia/inc/WindowingBehavior.h b/src/cascadia/inc/WindowingBehavior.h
index 348b2b51ab6..c00a33e9ce0 100644
--- a/src/cascadia/inc/WindowingBehavior.h
+++ b/src/cascadia/inc/WindowingBehavior.h
@@ -12,3 +12,10 @@ inline constexpr int32_t WindowingBehaviorUseName{ -4 };
 inline constexpr int32_t WindowingBehaviorUseNone{ -5 };
 
 inline constexpr std::wstring_view QuakeWindowName{ L"_quake" };
+
+// Magic names for magic windowing behaviors. These are reserved names, in place
+// of window names. "new" can also be used in MoveTab / MovePane actions.
+// * new: to use a new window, always
+// * last: use the most recent window
+inline constexpr std::string_view NewWindow{ "new" };
+inline constexpr std::string_view MostRecentlyUsedWindow{ "last" };