diff --git a/Source/Plugins/3DFloorMode/Controls/ThreeDFloorControl.cs b/Source/Plugins/3DFloorMode/Controls/ThreeDFloorControl.cs
index 565db1cf348f862e303c058255f8c2e84a7029b3..891c32bb68ecb4d79bd53cd24711f431c23f2d7f 100644
--- a/Source/Plugins/3DFloorMode/Controls/ThreeDFloorControl.cs
+++ b/Source/Plugins/3DFloorMode/Controls/ThreeDFloorControl.cs
@@ -41,6 +41,10 @@ namespace CodeImp.DoomBuilder.ThreeDFloorMode
 		{
 			InitializeComponent();
 
+			sectorTopFlat.Initialize();
+			sectorBorderTexture.Initialize();
+			sectorBottomFlat.Initialize();
+
 			Update(threeDFloor);
 		}
 
@@ -55,6 +59,10 @@ namespace CodeImp.DoomBuilder.ThreeDFloorMode
 		{
 			InitializeComponent();
 
+			sectorTopFlat.Initialize();
+			sectorBorderTexture.Initialize();
+			sectorBottomFlat.Initialize();
+
 			SetDefaults();
 		}