diff --git a/PROMS/Volian.Controls.Library/StepTabPanel.cs b/PROMS/Volian.Controls.Library/StepTabPanel.cs
index 1ee8587d..71bbb407 100644
--- a/PROMS/Volian.Controls.Library/StepTabPanel.cs
+++ b/PROMS/Volian.Controls.Library/StepTabPanel.cs
@@ -236,9 +236,13 @@ namespace Volian.Controls.Library
 		/// </summary>
 		/// <param name="sender"></param>
 		/// <param name="args"></param>
+		private ItemInfo curDSOItem = null;
 		void _MyStepPanel_AttachmentClicked(object sender, StepPanelAttachmentEventArgs args)
 		{
+			if (curDSOItem != null) return;
+			curDSOItem = args.MyStepItem.MyItemInfo;
 			_MyDisplayTabControl.OpenItem(args.MyStepItem.MyItemInfo);
+			curDSOItem = null;
 		}
 		/// <summary>
 		/// Occurs when the user clicks on the tab next to an item