diff --git a/labelme/widgets/canvas.py b/labelme/widgets/canvas.py
index f383c3ea8..542d71668 100644
--- a/labelme/widgets/canvas.py
+++ b/labelme/widgets/canvas.py
@@ -988,7 +988,11 @@ def keyReleaseEvent(self, ev):
             if int(modifiers) == 0:
                 self.snapping = True
         elif self.editing():
-            if self.movingShape and self.selectedShapes:
+            if (
+                self.movingShape
+                and self.selectedShapes
+                and self.selectedShapes[0] in self.shapes
+            ):
                 index = self.shapes.index(self.selectedShapes[0])
                 if self.shapesBackups[-1][index].points != self.shapes[index].points:
                     self.storeShapes()