diff --git a/external/imgui/imgui.cpp b/external/imgui/imgui.cpp
index 141306bc2..a88a02278 100644
--- a/external/imgui/imgui.cpp
+++ b/external/imgui/imgui.cpp
@@ -4035,6 +4035,7 @@ static void TranslateWindow(ImGuiWindow* window, const ImVec2& delta)
     window->DC.CursorPos += delta;
     window->DC.CursorStartPos += delta;
     window->DC.CursorMaxPos += delta;
+    window->DC.IdealMaxPos += delta;
 }
 
 static void ScaleWindow(ImGuiWindow* window, float scale)