diff --git a/Source/Plugins/StairSectorBuilder/StairSectorBuilderForm.cs b/Source/Plugins/StairSectorBuilder/StairSectorBuilderForm.cs
index b92ff21..126cc62 100644
--- a/Source/Plugins/StairSectorBuilder/StairSectorBuilderForm.cs
+++ b/Source/Plugins/StairSectorBuilder/StairSectorBuilderForm.cs
@@ -842,6 +842,14 @@ namespace CodeImp.DoomBuilder.StairSectorBuilderMode
 
 			DoRedrawDisplay();
         }
+		private void prefabload_Click(object sender, EventArgs e)
+		{
+			if (prefabs.SelectedIndices.Count == 0) return;
+
+			LoadPrefab(prefabs.SelectedIndices[0]);
+
+			DoRedrawDisplay();
+		}
 
 		private void prefabdelete_Click(object sender, EventArgs e)
 		{