diff --git a/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs b/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs
index 7ea36341..c1b3fafb 100644
--- a/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs
+++ b/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs
@@ -2408,7 +2408,7 @@ namespace VEPROMS.CSLA.Library
 				if (par2 != null && par2.IsSection)
 				{
 					// check for 6.1 (parent) and 6.1.1.
-					if (DisplayNumber.StartsWith((ActiveParent as SectionInfo).DisplayNumber.Trim())) return true;
+					if (DisplayNumber.StartsWith((ActiveParent as ItemInfo).DisplayNumber.Trim())) return true;
 				}
 				if (!parNumber.Trim().EndsWith(".0")) return false;
 				return (myNumber.Trim().StartsWith(parNumber.Trim().Substring(0, parNumber.Length - 1)));