diff --git a/PROMS/Volian.Controls.Library/DisplayText.cs b/PROMS/Volian.Controls.Library/DisplayText.cs
index 08569205..dedec538 100644
--- a/PROMS/Volian.Controls.Library/DisplayText.cs
+++ b/PROMS/Volian.Controls.Library/DisplayText.cs
@@ -1495,8 +1495,7 @@ namespace Volian.Controls.Library
 					if (Regex.IsMatch(mynum, @".*\\'[A-Fa-f0-9]{2,2}$"))
 						ind -= 4;
 					units = prevValue.Substring(ind+1);
-					//if (rtnstr.EndsWith(units) && units != "")
-					if (rtnstr.EndsWith(units))
+					if (rtnstr.EndsWith(units) && units != "")// Don't do this if there are no units
 					{
 						rtnstr = rtnstr.Replace(units, "");
 					}