diff --git a/src/gui/compatFlags.cpp b/src/gui/compatFlags.cpp
index 0010fc899..efa88feec 100644
--- a/src/gui/compatFlags.cpp
+++ b/src/gui/compatFlags.cpp
@@ -184,6 +184,10 @@ void FurnaceGUI::drawCompatFlags() {
         if (ImGui::IsItemHovered()) {
           ImGui::SetTooltip("behavior changed in 0.6pre5");
         }
+        ImGui::Checkbox("Pre-note does not take effects into consideration",&e->song.preNoteNoEffect);
+        if (ImGui::IsItemHovered()) {
+          ImGui::SetTooltip("behavior changed in 0.6pre9");
+        }
         ImGui::EndTabItem();
       }
       if (ImGui::BeginTabItem(".mod import")) {