diff --git a/imgui.cpp b/imgui.cpp
index 298bdcc6..acac2268 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -7214,6 +7214,7 @@ static void ImGui::UpdateTryMergeWindowIntoHostViewport(ImGuiWindow* window, ImG
             if (g.Windows[n]->Viewport == old_viewport)
                 SetWindowViewport(g.Windows[n], viewport);
     SetWindowViewport(window, viewport);
+    BringWindowToDisplayFront(window);
 }
 
 // Scale all windows (position, size). Use when e.g. changing DPI. (This is a lossy operation!)