1 files changed, 6 insertions, 2 deletions
diff --git a/generic/Item.c b/generic/Item.c
index e67eb1e..c0f3cb3 100644
--- a/generic/Item.c
+++ b/generic/Item.c
@@ -3372,8 +3372,9 @@ Invalidate(Item		item,
  **********************************************************************************
  *
  * InvalidateItems --
- *	Invalidate the geometric state of all items of a group
- *	belonging to a given class.
+ *	Invalidate the geometric state of all items belonging
+ *	to a given class. The search for items starts at group
+ *	and proceed depth first.
  *
  **********************************************************************************
  */
@@ -3391,6 +3392,9 @@ InvalidateItems(Item		group,
     if (item->class == item_class) {
       Invalidate(item, ZN_COORDS_FLAG);
     }
+    else if (item->class == ZnGroup) {
+      InvalidateItems(item, item_class);
+    }
     item = item->next;
   }
 }