diff --git a/apps/openmw/mwgui/companionwindow.cpp b/apps/openmw/mwgui/companionwindow.cpp
index 8d199e7275..6ac8c9d187 100644
--- a/apps/openmw/mwgui/companionwindow.cpp
+++ b/apps/openmw/mwgui/companionwindow.cpp
@@ -157,6 +157,8 @@ void CompanionWindow::resetReference()
 {
     ReferenceInterface::resetReference();
     mItemView->setModel(NULL);
+    mModel = NULL;
+    mSortModel = NULL;
 }
 
 
diff --git a/apps/openmw/mwgui/container.cpp b/apps/openmw/mwgui/container.cpp
index 8da3def5fa..65a9e07c40 100644
--- a/apps/openmw/mwgui/container.cpp
+++ b/apps/openmw/mwgui/container.cpp
@@ -262,6 +262,8 @@ namespace MWGui
     {
         ReferenceInterface::resetReference();
         mItemView->setModel(NULL);
+        mModel = NULL;
+        mSortModel = NULL;
     }
 
     void ContainerWindow::close()
diff --git a/apps/openmw/mwgui/tradewindow.cpp b/apps/openmw/mwgui/tradewindow.cpp
index 19187cde1f..c56c2ee94a 100644
--- a/apps/openmw/mwgui/tradewindow.cpp
+++ b/apps/openmw/mwgui/tradewindow.cpp
@@ -536,5 +536,7 @@ namespace MWGui
     {
         ReferenceInterface::resetReference();
         mItemView->setModel(NULL);
+        mTradeModel = NULL;
+        mSortModel = NULL;
     }
 }