diff --git a/item_updater.cpp b/item_updater.cpp
index 76c437c..8ae8549 100644
--- a/item_updater.cpp
+++ b/item_updater.cpp
@@ -493,9 +493,15 @@
 
 void ItemUpdater::deleteAll()
 {
+    auto chassisOn = isChassisOn();
+
     for (const auto& activationIt : activations)
     {
-        if (!isVersionFunctional(activationIt.first))
+        if (isVersionFunctional(activationIt.first) && chassisOn)
+        {
+            continue;
+        }
+        else
         {
             ItemUpdater::erase(activationIt.first);
         }