diff --git a/assets/text/TODO b/assets/text/TODO
index c27f1ff..93fbb93 100644
--- a/assets/text/TODO
+++ b/assets/text/TODO
@@ -23,7 +23,8 @@ High-priority list:
 Queue:
 1)  scrolling bug: start @ top, down key til cursor below visible canvas, scroll down, cursor gone GRRRR
 2)  scrolling bug: scroll down, apply operator to entire canvas, scroll up
-3)  select-related {re,un}do bugs
-4)  clone selection lag
+3)  object tool: object size wrong occasionally w/ external objects
+4)  scrolling bug: scroll down, un/redo, scroll up
+5)  clone selection lag
 
 vim:ff=dos tw=0
diff --git a/libroar/RoarCanvasCommandsOperators.py b/libroar/RoarCanvasCommandsOperators.py
index 55124a7..0107cea 100644
--- a/libroar/RoarCanvasCommandsOperators.py
+++ b/libroar/RoarCanvasCommandsOperators.py
@@ -45,10 +45,10 @@ class RoarCanvasCommandsOperators():
                 for numRow in range(len(region)):
                     for numCol in range(len(region[numRow])):
                         if not dirty:
-                            dirty = True
+                            self.parentCanvas.dirty = True
                         self.parentCanvas.dispatchPatchSingle(eventDc, False, [numCol, numRow, *region[numRow][numCol]], viewRect)
                 self.parentCanvas.canvas.journal.end()
-                self.parentCanvas.commands.update(dirty=dirty, undoLevel=self.parentCanvas.canvas.journal.patchesUndoLevel)
+                self.parentCanvas.commands.update(dirty=self.parentCanvas.dirty, undoLevel=self.parentCanvas.canvas.journal.patchesUndoLevel)
         setattr(canvasOperator_, "attrDict", f.attrList[idx])
         return canvasOperator_
     # }}}