diff --git a/PROMS/VEPROMS.CSLA.Library/Extension/TransitionExt.cs b/PROMS/VEPROMS.CSLA.Library/Extension/TransitionExt.cs
index d1088f78..ac19bf9f 100644
--- a/PROMS/VEPROMS.CSLA.Library/Extension/TransitionExt.cs
+++ b/PROMS/VEPROMS.CSLA.Library/Extension/TransitionExt.cs
@@ -778,15 +778,22 @@ namespace VEPROMS.CSLA.Library
 				return "Invalid Transition Destination";
 			TransitionBuilder tb = SetupTransitionBuilder(formatInfo, fromInfo, tranType, toItem, 
 				toItem.ItemID==rangeItem.ItemID && !toItem.IsHigh?toItem.LastSibling:rangeItem);
-			if (pagenum && (tranType==1||tranType==2||tranType==4) && !tb._TransFormat.Contains("{Page Num}"))
+
+			if (pagenum)
 			{
-				// if range transition, the page number token needs to go after the first step, else it's at the end:
-				if (tranType == 2 && tb._TransFormat.Contains("{First Step"))
+				// The tranType parameter is really the index.  For page number transitions, get the transition
+				// type (holdover from 16bit, used to define whether transitions are range) for range transitions, the page number goes after the 1st step.
+				int strantype = tranType < tb._FromItem.ActiveFormat.PlantFormat.FormatData.TransData.TransTypeList.Count ? (int)tb._FromItem.ActiveFormat.PlantFormat.FormatData.TransData.TransTypeList[tranType].Type : 0;
+				if ((strantype == 1 || strantype == 2 || strantype == 4) && !tb._TransFormat.Contains("{Page Num}"))
 				{
-					tb._TransFormat = tb._TransFormat.Insert(tb._TransFormat.IndexOf("{First Step}")+12, " {Page Num}");
+					// if range transition, the page number token needs to go after the first step, else it's at the end:
+					if (strantype == 2 && tb._TransFormat.Contains("{First Step"))
+					{
+						tb._TransFormat = tb._TransFormat.Insert(tb._TransFormat.IndexOf("{First Step}") + 12, " {Page Num}");
+					}
+					else
+						tb._TransFormat = tb._TransFormat + " {Page Num}";
 				}
-				else
-					tb._TransFormat = tb._TransFormat + " {Page Num}";
 			}
 			if(_AppendMethods==null)
 				SetupMethods();