diff --git a/PROMS/Volian.Controls.Library/DisplayRO.cs b/PROMS/Volian.Controls.Library/DisplayRO.cs
index 92b8a7df..5ff8f5c7 100644
--- a/PROMS/Volian.Controls.Library/DisplayRO.cs
+++ b/PROMS/Volian.Controls.Library/DisplayRO.cs
@@ -782,7 +782,7 @@ namespace Volian.Controls.Library
 		public static string ConvertFortranFormatToScienctificNotation(string str)
 		{
 			// Convert E style numbers to RTF with \super and \nosupersub
-			string retval = Regex.Replace(str, "([+-]?)([0-9]+)[.]?([0-9]*?)0*E([+-]?[0-9]+)", new MatchEvaluator(FixFortranNumber));
+			string retval = Regex.Replace(str, "([+-]?)([0-9]+)[.]([0-9]*?)0*E([+-]?[0-9]+)", new MatchEvaluator(FixFortranNumber));
 			retval = Regex.Replace(retval, "[#](.*?)[#]", "\\super $1\\nosupersub ");// DOS Superscript
 			retval = Regex.Replace(retval, "[~](.*?)[~]", "\\sub $1\\nosupersub ");// DOS Subscript
 			return retval;