diff --git a/apps/opencs/view/world/dialoguesubview.cpp b/apps/opencs/view/world/dialoguesubview.cpp
index 122b173e6a..673d3573f4 100644
--- a/apps/opencs/view/world/dialoguesubview.cpp
+++ b/apps/opencs/view/world/dialoguesubview.cpp
@@ -353,6 +353,7 @@ void CSVWorld::EditWidget::remake(int row)
     {
         delete mNestedModels[i];
     }
+    mNestedModels.clear();
     
     if (mMainWidget)
     {