diff --git a/src/app/puzzle/layout/vplayout.cpp b/src/app/puzzle/layout/vplayout.cpp
index 35b403a61..c12eb84c0 100644
--- a/src/app/puzzle/layout/vplayout.cpp
+++ b/src/app/puzzle/layout/vplayout.cpp
@@ -143,6 +143,7 @@ auto VPLayout::TileFactory() const -> VPTileFactory *
 //---------------------------------------------------------------------------------------------------------------------
 void VPLayout::SetTileFactory(VPTileFactory *newTileFactory)
 {
+    delete m_tileFactory;
     m_tileFactory = newTileFactory;
 }