diff --git a/src/cascadia/LocalTests_TerminalApp/TabTests.cpp b/src/cascadia/LocalTests_TerminalApp/TabTests.cpp
index 3bf302108b2..549b6b945a0 100644
--- a/src/cascadia/LocalTests_TerminalApp/TabTests.cpp
+++ b/src/cascadia/LocalTests_TerminalApp/TabTests.cpp
@@ -77,6 +77,7 @@ namespace TerminalAppLocalTests
         TEST_METHOD(CreateTerminalPage);
 
         TEST_METHOD(TryDuplicateBadTab);
+        TEST_METHOD(DuplicateTabAlwaysOpensAfterCurrent);
         TEST_METHOD(TryDuplicateBadPane);
 
         TEST_METHOD(TryZoomPane);
@@ -442,6 +443,32 @@ namespace TerminalAppLocalTests
         VERIFY_SUCCEEDED(result);
     }
 
+    void TabTests::DuplicateTabAlwaysOpensAfterCurrent()
+    {
+        auto page = _commonSetup();
+        VERIFY_IS_NOT_NULL(page);
+
+        Log::Comment(L"Create three tabs with new tabs opening at the end");
+        TestOnUIThread([&page]() {
+            page->_settings.WindowSettingsDefaults().NewTabPosition(NewTabPosition::AfterLastTab);
+
+            NewTerminalArgs newTerminalArgs{ 1 };
+            page->_OpenNewTab(newTerminalArgs);
+            page->_OpenNewTab(newTerminalArgs);
+
+            VERIFY_ARE_EQUAL(3u, page->_tabs.Size());
+        });
+
+        Log::Comment(L"Duplicate the middle tab");
+        TestOnUIThread([&page]() {
+            page->_SelectTab(1);
+            page->_DuplicateFocusedTab();
+
+            VERIFY_ARE_EQUAL(4u, page->_tabs.Size());
+            VERIFY_ARE_EQUAL(2u, page->_GetFocusedTabIndex().value(), L"Duplicated tabs should open next to their source tab.");
+        });
+    }
+
     void TabTests::TryDuplicateBadPane()
     {
         // * Create a tab with a profile with GUID 1
diff --git a/src/cascadia/TerminalApp/TabManagement.cpp b/src/cascadia/TerminalApp/TabManagement.cpp
index 2a4d4f40b18..0a43e0d9451 100644
--- a/src/cascadia/TerminalApp/TabManagement.cpp
+++ b/src/cascadia/TerminalApp/TabManagement.cpp
@@ -304,11 +304,8 @@ namespace winrt::TerminalApp::implementation
             // In the future, it may be preferable to just duplicate the
             // current control's live settings (which will include changes
             // made through VT).
-            uint32_t insertPosition = _tabs.Size();
-            if (_currentWindowSettings().NewTabPosition() == NewTabPosition::AfterCurrentTab)
-            {
-                insertPosition = tab.TabViewIndex() + 1;
-            }
+            // Duplicate tabs intentionally ignore NewTabPosition() and always open next to the source tab.
+            const auto insertPosition = tab.TabViewIndex() + 1;
             _CreateNewTabFromPane(_MakePane(nullptr, tab, nullptr), insertPosition);
 
             const auto runtimeTabText{ tab.GetTabText() };