diff --git a/PROMS/Volian.Controls.Library/ImageItem.cs b/PROMS/Volian.Controls.Library/ImageItem.cs
index adaf4d64..fbe90f96 100644
--- a/PROMS/Volian.Controls.Library/ImageItem.cs
+++ b/PROMS/Volian.Controls.Library/ImageItem.cs
@@ -168,7 +168,8 @@ namespace Volian.Controls.Library
 			}
 			SetWidthsAndHeights(img);
 			//need this to trigger update of steptabribbonbuttons:
-			MyStepPanel.MyStepTabPanel.MyStepTabRibbon.SetButtonAndMenuEnabling(true);
+			// B2020-083: crash after approve of procedure when no edit window displayed - check for nulls
+			if (MyStepPanel != null && MyStepPanel.MyStepTabPanel != null) MyStepPanel.MyStepTabPanel.MyStepTabRibbon.SetButtonAndMenuEnabling(true);
 		}
 		public override void ToggleEditView(E_ViewMode vwMode) {}
 		public override string TabFormat