diff --git a/PROMS/Volian.Print.Library/PDFChronologyReport.cs b/PROMS/Volian.Print.Library/PDFChronologyReport.cs
index eb177292..8ab81a52 100644
--- a/PROMS/Volian.Print.Library/PDFChronologyReport.cs
+++ b/PROMS/Volian.Print.Library/PDFChronologyReport.cs
@@ -125,11 +125,20 @@ namespace Volian.Print.Library
 			bool result = false;
 			string suffix = "";
 			int i = 0;
+			// just for safety, the while loop expects to find a file extension
+			// so make sure it has one before going into the loop
+			if (!_FileName.ToUpper().EndsWith(".PDF"))
+				_FileName += ".pdf";
 			// Try to open a file for creating the PDF.
 			while (result == false)
 			{
 				string fileName = _FileName;
-				int loc = fileName.IndexOf(".");
+				// Bug fix: B2013-086
+				// the folder path part of _FileName contained a folder name with a period
+				// resulting is an invalid file location/file name.
+				// Changed the IndexOf call to the LastIndexOf
+				//int loc = fileName.IndexOf(".");
+				int loc = fileName.LastIndexOf(".");
 				if (loc > -1)
 				{
 					string fname = fileName.Substring(0, loc);