diff --git a/imgui.cpp b/imgui.cpp
index 149d7828..0c42cfb1 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -7435,8 +7435,10 @@ ImGuiViewportP* ImGui::AddUpdateViewport(ImGuiWindow* window, ImGuiID id, const
     ImGuiViewportP* viewport = (ImGuiViewportP*)FindViewportByID(id);
     if (viewport)
     {
-        viewport->Pos = pos;
-        viewport->Size = size;
+        if (!viewport->PlatformRequestMove)
+            viewport->Pos = pos;
+        if (!viewport->PlatformRequestResize)
+            viewport->Size = size;
     }
     else
     {