diff --git a/PROMS/VEPROMS User Interface/frmSectionProperties.cs b/PROMS/VEPROMS User Interface/frmSectionProperties.cs
index 0372bc44..788e47ae 100644
--- a/PROMS/VEPROMS User Interface/frmSectionProperties.cs	
+++ b/PROMS/VEPROMS User Interface/frmSectionProperties.cs	
@@ -420,7 +420,7 @@ namespace VEPROMS
 			// Handle Default Step Section.  First, this checkbox is only visible if it is
 			// a step section & it is the highest level (top, right below procedures).
 			ppCbDefaultStepSection.Visible = false;
-			if (_isStepSection && _SectionConfig.MySection.MySectionInfo.MyParent.IsProcedure)
+			if (_isStepSection && _SectionConfig.MySection.MySectionInfo.MyActiveParent.IsProcedure) // B2016-280 - use MyActiveParent because MyParent was sometimes null
 			{
 				ppCbDefaultStepSection.Visible = true;
 				ppCbDefaultStepSection.Checked = _SectionConfig.Section_OriginalSteps == "Y";