diff --git a/PROMS/VEPROMS User Interface/frmRODbProperties.cs b/PROMS/VEPROMS User Interface/frmRODbProperties.cs
index 81b27130..f0381c40 100644
--- a/PROMS/VEPROMS User Interface/frmRODbProperties.cs	
+++ b/PROMS/VEPROMS User Interface/frmRODbProperties.cs	
@@ -107,7 +107,7 @@ namespace VEPROMS
 			// as the assocation. if it's a new path, i.e. a modify of the rodb record, just save current data. 
 			// Then close & return.
 			if ((_origROName !=null && _origFolderPath !=null && (_origROName != ppRTxtName.Text || _origFolderPath != ppTxtPath.Text)) ||
-					(_origSQLConnect != ppTxtSQL.Text || _origSQLConnect != ppTxtSQL.Text))
+					(_origSQLConnect != null && _origSQLConnect != ppTxtSQL.Text))		// B2020-011 fix check for change in sql connection string
 			{
 				if (!Directory.Exists(ppTxtPath.Text))
 				{
@@ -121,7 +121,9 @@ namespace VEPROMS
 				}
 				RODb roDb = RODb.GetJustRoDb(_roDbInfo.RODbID);
 				if (_origROName != ppRTxtName.Text) roDb.ROName = ppRTxtName.Text;
-				if (!(_origSQLConnect == "cstring" && (ppTxtSQL.Text == null || ppTxtSQL.Text == "")) && _origSQLConnect != ppTxtSQL.Text)
+				if (_origSQLConnect == null && (ppTxtSQL.Text == null || ppTxtSQL.Text == ""))	// B2020-011 fix check when connecting to an access database
+					roDb.DBConnectionString = "cstring";
+				else if (!(_origSQLConnect == "cstring" && (ppTxtSQL.Text == null || ppTxtSQL.Text == "")) && _origSQLConnect != ppTxtSQL.Text)
 				{
 					// C2017-003: ro in sql.  'cstring' in connection string represents using MS Access database
 					// if connect string is null, set connect string to "cstring" otherwise, use what user typed in: