diff --git a/PROMS/Volian.Controls.Library/StepTabRibbon.cs b/PROMS/Volian.Controls.Library/StepTabRibbon.cs
index 46c1f67d..7504a4ac 100644
--- a/PROMS/Volian.Controls.Library/StepTabRibbon.cs
+++ b/PROMS/Volian.Controls.Library/StepTabRibbon.cs
@@ -1519,13 +1519,13 @@ namespace Volian.Controls.Library
 		{
 			ribbonTab_SingleClick(sender, e);
 			btnUpdROVal.Enabled = false;
-			if (MyDVI.DocVersionAssociations.Count < 1) return;
+			if (MyDVI.DocVersionAssociations == null || MyDVI.DocVersionAssociations.Count < 1) return;
 			if (!NewerRoFst()) return;
 			btnUpdROVal.Enabled = true;
 		}
 		public bool NewerRoFst()
 		{
-			if (_MyDVI == null) return false;
+			if (_MyDVI == null || _MyDVI.DocVersionAssociations == null) return false;
 			ROFstInfo roFstInfo = ROFstInfo.GetJustROFst( _MyDVI.DocVersionAssociations[0].ROFstID);
 			RODbInfo rdi = RODbInfo.GetJustRODB(roFstInfo.RODbID);
 			string rofstPath = rdi.FolderPath + @"\ro.fst";