diff --git a/PROMS/DataLoader/Procedures.cs b/PROMS/DataLoader/Procedures.cs
index c4b21696..0ebf55e2 100644
--- a/PROMS/DataLoader/Procedures.cs
+++ b/PROMS/DataLoader/Procedures.cs
@@ -136,7 +136,9 @@ namespace DataLoader
 							else
 							{
 								nm = sLine.Substring(0, indx);
-								vl = sLine.Substring(indx + 1, sLine.Length - indx - 1);
+								string tmpPsi = sLine.Substring(indx + 1, sLine.Length - indx - 1);
+								if (tmpPsi.Length > 0) tmpPsi=TextConvert.ConvertText(tmpPsi);
+								vl = tmpPsi;
 							}
 							ci.AddItem("PSI", nm, vl == null ? null : vl);
 						}