diff --git a/PROMS/Volian.Controls.Library/DisplayRO.cs b/PROMS/Volian.Controls.Library/DisplayRO.cs
index 375bcedc..35216fff 100644
--- a/PROMS/Volian.Controls.Library/DisplayRO.cs
+++ b/PROMS/Volian.Controls.Library/DisplayRO.cs
@@ -714,7 +714,7 @@ namespace Volian.Controls.Library
 			if ((ROTypeFilter == E_ROValueType.Text || ROTypeFilter == E_ROValueType.All) && this.MyDvi != null && this.MyDvi.MultiUnitCount > 1)
 			{
 				// Add Unit Information Database if it doesn't exist
-				if (unitInfoNode == null)
+				if (unitInfoNode == null && MyROFSTLookup != null)
 				{
 					TreeNode tnn = tvROFST.Nodes.Add("Unit Information");
 					TreeNode cn = null;